Gaya APA

Djarwanto, P. (1989). Statistik sosial ekonomi / Djarwanto Ps. (Ed.ke-2, Cet.1). : .

Gaya MLA

Djarwanto, Ps.. "Statistik sosial ekonomi / Djarwanto Ps.". Ed.ke-2, Cet.1 : , 1989. Textbook.