John D. McArthur was an agriculturist and promoter who helped found the Australian wool industry, which became the world's largest.
John D. MacArthur. (2013). The Biography Channel website. Retrieved 04:29, May 22, 2013, from http://www.biography.com/people/john-d-macarthur-9390325.
John D. MacArthur. [Internet]. 2013. The Biography Channel website. Available from: http://www.biography.com/people/john-d-macarthur-9390325 [Accessed 22 May 2013].
"John D. MacArthur." 2013. The Biography Channel website. May 22 2013, 04:29 http://www.biography.com/people/john-d-macarthur-9390325.
"John D. MacArthur," The Biography Channel website, 2013, http://www.biography.com/people/john-d-macarthur-9390325 [accessed May 22, 2013].
"John D. MacArthur," The Biography Channel website, http://www.biography.com/people/john-d-macarthur-9390325 (accessed May 22, 2013).
John D. MacArthur [Internet]. The Biography Channel website; 2013 [cited 2013 May 22] Available from: http://www.biography.com/people/john-d-macarthur-9390325.
John D. MacArthur, http://www.biography.com/people/john-d-macarthur-9390325 (last visited May 22, 2013).
John D. MacArthur. The Biography Channel website. 2013. Available at: http://www.biography.com/people/john-d-macarthur-9390325. Accessed May 22, 2013.