Não informado. (2002). Natural Product Letters. Harwood Academic Publishers.
Chicagoスタイル(17版)引用形式Não informado. Natural Product Letters. Basingstoke, Inglaterra: Harwood Academic Publishers, 2002.
MLA(8版)引用形式Não informado. Natural Product Letters. Harwood Academic Publishers, 2002.
警告: この引用は必ずしも正確ではありません.