Não informado. (1990). The British journal of phytotherapy. School of Phytotherapy.
Chicagoスタイル(17版)引用形式Não informado. The British Journal of Phytotherapy. East Sussex, Inglaterra: School of Phytotherapy, 1990.
MLA(8版)引用形式Não informado. The British Journal of Phytotherapy. School of Phytotherapy, 1990.
警告: この引用は必ずしも正確ではありません.