Gaya APA

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

Gaya MLA

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