Cita APA (7a ed.)

Papua New Guinea. Department of Enga & Papua New Guinea. National Planning Office. (1980). Enga resource atlas. [National Planning Office].

Cita Chicago Style (17a ed.)

Papua New Guinea. Department of Enga y Papua New Guinea. National Planning Office. Enga Resource Atlas. [Waigani]: [National Planning Office], 1980.

Cita MLA (9a ed.)

Papua New Guinea. Department of Enga y Papua New Guinea. National Planning Office. Enga Resource Atlas. [National Planning Office], 1980.