Graham, H. (2010). Ghost walk=bayang-bayang sang sahabat. Violetbooks.
Chicagoスタイル(17版)引用形式Graham, Heather. Ghost Walk=bayang-bayang Sang Sahabat. Violetbooks, 2010.
MLA(8版)引用形式Graham, Heather. Ghost Walk=bayang-bayang Sang Sahabat. Violetbooks, 2010.
警告: この引用は必ずしも正確ではありません.