Gaya APA

RAMAKRISHNAN, P. (1992). Shifting agriculture and sustainable development: (Man and the biosphere series, volume 10.). Paris: The Parthenon Publishing Group.

Gaya MLA

RAMAKRISHNAN, P.S.. "Shifting agriculture and sustainable development:". Man and the biosphere series, volume 10. Paris: The Parthenon Publishing Group, 1992. Buku.