Gaya APA

SMITH, G, W. (1983). ENGINEERING ECONOMY : ANALYSIS OF CAPITAL EXPENDITURES, THIRD EDITION (3). USA: IOWA STATE UNIVERSITY PRESS.

Gaya MLA

SMITH, GERALD, W.. "ENGINEERING ECONOMY : ANALYSIS OF CAPITAL EXPENDITURES, THIRD EDITION". 3 USA: IOWA STATE UNIVERSITY PRESS, 1983. Prodi S2 Manajemen.