Não informado. (1971). South African journal of animal science. South African Society of Animal Production.
Style de citation Chicago (17e éd.)Não informado. South African Journal of Animal Science. Pretoria, Africa do Sul: South African Society of Animal Production, 1971.
Style de citation MLA (8e éd.)Não informado. South African Journal of Animal Science. South African Society of Animal Production, 1971.
Attention : ces citations peuvent ne pas être correctes à 100%.