Gaya APA

Mates, Dates and Portobello Princesses: Putri Portobello. (2005). : PT. Gramedia Pustaka Utama, Jakarta.

Gaya MLA

Mates, Dates and Portobello Princesses: Putri Portobello. . : PT. Gramedia Pustaka Utama, Jakarta, 2005. .