Cita APA (7a ed.)

Ploeg, A. (1979). Recent developments in Kovai agriculture. University of Papua New Guinea : Dept. of Primary Industry.

Cita Chicago Style (17a ed.)

Ploeg, Anton. Recent Developments in Kovai Agriculture. [Port Moresby]: University of Papua New Guinea : Dept. of Primary Industry, 1979.

Cita MLA (9a ed.)

Ploeg, Anton. Recent Developments in Kovai Agriculture. University of Papua New Guinea : Dept. of Primary Industry, 1979.