Cita APA (7a ed.)

Carrad, B. (1980). The marketing and production of smallholding rubber in Papua New Guinea. Department of Primary Industry.

Cita Chicago Style (17a ed.)

Carrad, Bruce. The Marketing and Production of Smallholding Rubber in Papua New Guinea. [Port Moresby]: Department of Primary Industry, 1980.

Cita MLA (9a ed.)

Carrad, Bruce. The Marketing and Production of Smallholding Rubber in Papua New Guinea. Department of Primary Industry, 1980.