Não informado. (1938). Gradwohl laboratory digest. International Society of Clinical Laboratory Technologists.
Chicago (17e ed.) BronvermeldingNão informado. Gradwohl Laboratory Digest. Saint Louis, Mo: International Society of Clinical Laboratory Technologists, 1938.
MLA (8e ed.) BronvermeldingNão informado. Gradwohl Laboratory Digest. International Society of Clinical Laboratory Technologists, 1938.
Let op: Deze citaties zijn niet altijd 100% accuraat.