APA Style

Robert J.A. Goodland, Catharine Waston and George Ledec. (null). Environmental Managemen in Tropical Agriculture . NULL: Wesview Press Boulder, Colorado.

Chicago Style

Robert J.A. Goodland, Catharine Waston and George Ledec. Environmental Managemen in Tropical Agriculture. NULL: Wesview Press Boulder, Colorado, null. Text.

MLA Style

Robert J.A. Goodland, Catharine Waston and George Ledec. Environmental Managemen in Tropical Agriculture. NULL: Wesview Press Boulder, Colorado, null. Text.

Turabian Style

Robert J.A. Goodland, Catharine Waston and George Ledec. Environmental Managemen in Tropical Agriculture. NULL: Wesview Press Boulder, Colorado, null. Print.