APA
(2010). Good agricultural practices (GAP) for black pepper (Piper nigum L.). Jakarta: International Pepper Community (IPC).
Chicago
2010. Good agricultural practices (GAP) for black pepper (Piper nigum L.). Jakarta: International Pepper Community (IPC).
Harvard
(2010). Good agricultural practices (GAP) for black pepper (Piper nigum L.). Jakarta: International Pepper Community (IPC).
MLA
Good agricultural practices (GAP) for black pepper (Piper nigum L.). Jakarta: International Pepper Community (IPC). 2010.