Não informado. (1938). Gradwohl laboratory digest. International Society of Clinical Laboratory Technologists.
Citação do estilo Chicago (17ª ed.)Não informado. Gradwohl Laboratory Digest. Saint Louis, Mo: International Society of Clinical Laboratory Technologists, 1938.
Citação MLA (8ª ed.)Não informado. Gradwohl Laboratory Digest. International Society of Clinical Laboratory Technologists, 1938.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.