Gaya APA

Drugs of Natural Origin : A Treatise of Pharmacognosy 6th Ed. Revised. (2009). Swedia: Apotekanso Cieteten.

Gaya MLA

Drugs of Natural Origin : A Treatise of Pharmacognosy 6th Ed. Revised. . Swedia: Apotekanso Cieteten, 2009. Koleksi Cetak.