Παραπομπή σε μορφή APA (7η εκδ.)

Nieuwkoop, P. D., & Faber, J. (1994). Normal table of Xenopus Laevis (Daudin): A systematical and chronological survey of the development from the fertilized egg till the end of metamorphosis. Garland Publishing.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Nieuwkoop, Pieter D., και Jacob Faber. Normal Table of Xenopus Laevis (Daudin): A Systematical and Chronological Survey of the Development from the Fertilized Egg Till the End of Metamorphosis. New York: Garland Publishing, 1994.

Παραπομπή σε μορφή MLA (8th εκδ.)

Nieuwkoop, Pieter D., και Jacob Faber. Normal Table of Xenopus Laevis (Daudin): A Systematical and Chronological Survey of the Development from the Fertilized Egg Till the End of Metamorphosis. Garland Publishing, 1994.