Não informado. (1979). The Compendium on Continuing Education for the Practicing Veterinarian. Veterinary Learning Systems.
Citação do estilo Chicago (17ª ed.)Não informado. The Compendium on Continuing Education for the Practicing Veterinarian. Princeton, NJ: Veterinary Learning Systems, 1979.
Citação MLA (8ª ed.)Não informado. The Compendium on Continuing Education for the Practicing Veterinarian. Veterinary Learning Systems, 1979.
警告：这些引文格式不一定是100％准确.