Gaya APA

Hopkins, C. (2004). Mates, Dates and Portobello Princesses (Putri Portobello) . Jakarta: PT. Gramedia Pustaka Utama.

Gaya MLA

Hopkins, Cathy. "Mates, Dates and Portobello Princesses (Putri Portobello)". Jakarta: PT. Gramedia Pustaka Utama, 2004. Text.