Cita APA (7th ed.)

Ghani, A. (1990). Introduction to pharmacognosy. Ahmadu Belle U. Pr..

Cita Chicago (17th ed.)

Ghani, Abdul. Introduction to Pharmacognosy. Zaria, Nigeria: Ahmadu Belle U. Pr., 1990.

Cita MLA (9th ed.)

Ghani, Abdul. Introduction to Pharmacognosy. Ahmadu Belle U. Pr., 1990.