Graham, H. (2010). Ghost walk=bayang-bayang sang sahabat. Violetbooks.
Cita Chicago Style (17a ed.)Graham, Heather. Ghost Walk=bayang-bayang Sang Sahabat. Violetbooks, 2010.
Cita MLA (8a ed.)Graham, Heather. Ghost Walk=bayang-bayang Sang Sahabat. Violetbooks, 2010.
Precaución: Estas citas no son 100% exactas.