Gaya APA

Usry, M, F., Hammer, L. (1990). Cost Accounting: Planning And Control (9 th. Ed.). Hoboken, NJ: Biro Pusat Statistik.

Gaya MLA

Usry, Milton, F.., Hammer, Lawrence. "Cost Accounting: Planning And Control". 9 th. Ed. Hoboken, NJ: Biro Pusat Statistik, 1990. Text.