Não informado. (1949). General embryological information service. International Embryological Institute, Hubrecht Laboratory.
Chicagoスタイル(17版)引用形式Não informado. General Embryological Information Service. Utrecht, Holanda: International Embryological Institute, Hubrecht Laboratory, 1949.
MLA(8版)引用形式Não informado. General Embryological Information Service. International Embryological Institute, Hubrecht Laboratory, 1949.
警告: この引用は必ずしも正確ではありません.