库尔克 & 张荣建. (2009). 精子来自男人 卵子来自女人: Sperm are from men eggs are from women. 重庆出版社.
Citação norma Chicago库尔克 and 张荣建. 精子来自男人 卵子来自女人: Sperm Are from Men Eggs Are from Women. 重庆出版社, 2009.
Citação norma MLA库尔克 and 张荣建. 精子来自男人 卵子来自女人: Sperm Are from Men Eggs Are from Women. 重庆出版社, 2009.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.