Gaya APA

Graham, H., Rosarie, S, D. (2010). Ghost Walk: Bayang-Bayang Sang Sahabat (-). Jakarta: Violetbooks.

Gaya MLA

Graham, Heather., Rosarie, Stevana, Dian. "Ghost Walk: Bayang-Bayang Sang Sahabat". - Jakarta: Violetbooks, 2010. .