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