APA
(2009). Guidelines for the conduct of test for distinctiveness, uniformity and stability in black pepper (piper nigrum L.). New Delhi: PPV & FRA Authority.
Chicago
2009. Guidelines for the conduct of test for distinctiveness, uniformity and stability in black pepper (piper nigrum L.). New Delhi: PPV & FRA Authority.
Harvard
(2009). Guidelines for the conduct of test for distinctiveness, uniformity and stability in black pepper (piper nigrum L.). New Delhi: PPV & FRA Authority.
MLA
Guidelines for the conduct of test for distinctiveness, uniformity and stability in black pepper (piper nigrum L.). New Delhi: PPV & FRA Authority. 2009.
