Fend, P. (1992). Ocean earth. Tanja Grunert - Esther Schipper.
Chicagoスタイル(17版)引用形式Fend, Peter. Ocean Earth. Köln: Tanja Grunert - Esther Schipper, 1992.
MLA(8版)引用形式Fend, Peter. Ocean Earth. Tanja Grunert - Esther Schipper, 1992.
警告: この引用は必ずしも正確ではありません.