Zack. (2010). Bike boy: By Zack. [Pseud., d. i.: Oliver Frey]. Gmünder.
Chicagoスタイル(17版)引用形式Zack. Bike Boy: By Zack. [Pseud., D. I.: Oliver Frey]. Berlin: Gmünder, 2010.
MLA(8版)引用形式Zack. Bike Boy: By Zack. [Pseud., D. I.: Oliver Frey]. Gmünder, 2010.
警告: この引用は必ずしも正確ではありません.