APA-referens (7:e uppl.)

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].

Chicago-referens (17:e uppl.)

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.

MLA-referens (8:e uppl.)

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.