Gaya APA

Blank, L, T., Tarqin, A, J. (1989). Engineering economy / Leland T. Blank, Anthony J. Tarqin (Ed.ke-3). New York: McGraw-Hill.

Gaya MLA

Blank, Leland, T.., Tarqin, Anthony, J.. "Engineering economy / Leland T. Blank, Anthony J. Tarqin". Ed.ke-3 New York: McGraw-Hill, 1989. Textbook.