Mansfield, W. (1919). Squibb's atlas of the official drugs. E. R. Squibb & sons.
Chicago (17e ed.) BronvermeldingMansfield, William. Squibb's Atlas of the Official Drugs. New York: E. R. Squibb & sons, 1919.
MLA (8e ed.) BronvermeldingMansfield, William. Squibb's Atlas of the Official Drugs. E. R. Squibb & sons, 1919.
Let op: Deze citaties zijn niet altijd 100% accuraat.