APA aipamena

Graham, H. (2010). Ghost walk=bayang-bayang sang sahabat. Violetbooks.

Chicago Style aipamena

Graham, Heather. Ghost Walk=bayang-bayang Sang Sahabat. Violetbooks, 2010.

MLA aipamena

Graham, Heather. Ghost Walk=bayang-bayang Sang Sahabat. Violetbooks, 2010.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.