Não informado. (1960). American Horticultural Magazine. American Horticultural Society.
Chicago (17e ed.) BronvermeldingNão informado. American Horticultural Magazine. Washington: American Horticultural Society, 1960.
MLA (8e ed.) BronvermeldingNão informado. American Horticultural Magazine. American Horticultural Society, 1960.
Let op: Deze citaties zijn niet altijd 100% accuraat.