Gaya APA

TARQUIN,P.E, A., P.E, L, B. (). ENGINEERING ECONOMY (-). Palangkaraya: Mc Graw Hill _2.

Gaya MLA

TARQUIN,P.E, ANTHONY., P.E, LELAND, BLANK,. "ENGINEERING ECONOMY". - Palangkaraya: Mc Graw Hill _2, . Buku Teks.