APA (7e ed.) Bronvermelding

Swanepoel, J. H. (1970). The ontogenesis of the chondrocranium and of the nasal sac of the microhylid frog Breviceps adspersus pentheri Werner. Stellenbosch University.

Chicago (17e ed.) Bronvermelding

Swanepoel, J. H. The Ontogenesis of the Chondrocranium and of the Nasal Sac of the Microhylid Frog Breviceps Adspersus Pentheri Werner. Stellenbosch: Stellenbosch University, 1970.

MLA (8e ed.) Bronvermelding

Swanepoel, J. H. The Ontogenesis of the Chondrocranium and of the Nasal Sac of the Microhylid Frog Breviceps Adspersus Pentheri Werner. Stellenbosch University, 1970.