Gaya APA

HANSEN, D, R., MOWEN, M, M. (2018). Cornerstones of cost management (4th. ed.). Boston: CENGAGE Learning.

Gaya MLA

HANSEN, Don, R., MOWEN, Maryanne, M.. "Cornerstones of cost management". 4th. ed. Boston: CENGAGE Learning, 2018. Buku.