Gaya APA

Smith, K., Widodo, A, T, K. (2011). How To Be An Explorer Of The World . Jakarta: Gramedia Pustaka Utama.

Gaya MLA

Smith, Keri., Widodo, Alex, Tri, Kantjono. "How To Be An Explorer Of The World". Jakarta: Gramedia Pustaka Utama, 2011. Text.