APNAN News: Volume 24 (2) May - August 2013.
Cita Chicago (17th ed.)APNAN News: Volume 24 (2) May - August 2013. Asia pacific natural agriculture network.
Cita MLA (8th ed.)APNAN News: Volume 24 (2) May - August 2013.
Atenció: Aquestes cites poden no estar 100% correctes.