Zhu, C. C. (1998). The homeobox gene goosecoid: Embryonic expression, loss-of-function phenotype and regulation by retinoic acid. Forschungszentrum Karlsruhe.
Chicago-viite (17. p.)Zhu, Changqi C. The Homeobox Gene Goosecoid: Embryonic Expression, Loss-of-function Phenotype and Regulation by Retinoic Acid. Karlsruhe: Forschungszentrum Karlsruhe, 1998.
MLA-viite (8. p.)Zhu, Changqi C. The Homeobox Gene Goosecoid: Embryonic Expression, Loss-of-function Phenotype and Regulation by Retinoic Acid. Forschungszentrum Karlsruhe, 1998.
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