Gaya APA

Diaswikarta, Y. (2008). The influence of learning in perfection on one's achievement as reflected in the character of Jonathan Livingston Seagull in Bach's Jonathan Livingston Seagull. . Yogyakarta: Yogyakarta Sanata Dharma University.

Gaya MLA

Diaswikarta, Yosafat. "The influence of learning in perfection on one's achievement as reflected in the character of Jonathan Livingston Seagull in Bach's Jonathan Livingston Seagull. ". Yogyakarta: Yogyakarta Sanata Dharma University, 2008. Buku.