Gaya APA

Pandjaitan, S., Moeljodihardjo, S. (1980). TRS No. 25 New Discoveries in The Field of Population Mathematics, Applicable to Planning and Evaluation of Population and Family Planning Program in Indonesia . Jakarta: BKKBN.

Gaya MLA

Pandjaitan, Sahala., Moeljodihardjo, Soetedjo. "TRS No. 25 New Discoveries in The Field of Population Mathematics, Applicable to Planning and Evaluation of Population and Family Planning Program in Indonesia". Jakarta: BKKBN, 1980. Text.