Παραπομπή σε μορφή APA (7η εκδ.)

Jacobson, G. (1971). Groundwater supply for Laloki Psychiatric Hospital, Central District, Papua. Dept. of Lands, Surveys and Mines.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Jacobson, G. Groundwater Supply for Laloki Psychiatric Hospital, Central District, Papua. Port Moresby: Dept. of Lands, Surveys and Mines, 1971.

Παραπομπή σε μορφή MLA (9th εκδ.)

Jacobson, G. Groundwater Supply for Laloki Psychiatric Hospital, Central District, Papua. Dept. of Lands, Surveys and Mines, 1971.