Hay,Robert K M et al. (1993). Volatile oil crops: Their biology, biochemistry and production. Longman Scientific and Technical.
Chicago Edition CitationHay,Robert K M et al. Volatile Oil Crops: Their Biology, Biochemistry and Production. England: Longman Scientific and Technical, 1993.
MLA Edition CitationHay,Robert K M et al. Volatile Oil Crops: Their Biology, Biochemistry and Production. Longman Scientific and Technical, 1993.
Warning: These citations may not always be 100% accurate.