Trích dẫn APA

Bulugahapitiya , V. P. (2013). Plants based natural products: Extraction, Isolation and phytochemical screening methods. Matara: University of Ruhuna.

Trích dẫn kiểu Chicago

Bulugahapitiya , Vajira P. Plants Based Natural Products: Extraction, Isolation and Phytochemical Screening Methods. Matara: University of Ruhuna, 2013.

Trích dẫn MLA

Bulugahapitiya , Vajira P. Plants Based Natural Products: Extraction, Isolation and Phytochemical Screening Methods. Matara: University of Ruhuna, 2013.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.