Gaya APA

SQUIRE, L., Tak, H, G, V, D. (1975). ECONOMIC ANALYSIS OF PROJECTS . United States of America.: The Johns Hopkins University Press.

Gaya MLA

SQUIRE, Lyn., Tak, Herman, G., Van, Der. "ECONOMIC ANALYSIS OF PROJECTS". United States of America.: The Johns Hopkins University Press, 1975. Textbook.