Παραπομπή σε μορφή APA (7η εκδ.)

Smit, A. L. (1953). The ontogenesis of the vertebral column of Xenopus laevis (Daudin) with special reference to the segmentation of the metotic region of the skull. [University of Stellenbosch].

Παραπομπή σε μορφή Chicago (17η εκδ.)

Smit, A. L. The Ontogenesis of the Vertebral Column of Xenopus Laevis (Daudin) with Special Reference to the Segmentation of the Metotic Region of the Skull. Stellenbosch: [University of Stellenbosch], 1953.

Παραπομπή σε μορφή MLA (8th εκδ.)

Smit, A. L. The Ontogenesis of the Vertebral Column of Xenopus Laevis (Daudin) with Special Reference to the Segmentation of the Metotic Region of the Skull. [University of Stellenbosch], 1953.