Roffman, H. (2004). Peter & Petr: Howard Roffman. Gmünder.
Chicagoスタイル(17版)引用形式Roffman, Howard. Peter & Petr: Howard Roffman. Berlin: Gmünder, 2004.
MLA(8版)引用形式Roffman, Howard. Peter & Petr: Howard Roffman. Gmünder, 2004.
警告: この引用は必ずしも正確ではありません.
APA(7版)引用形式