APA Style

King, D, B., Ritterskamp, J, J. (1997). Purchasing manager's desk book of purchasing law (3). United States of America: Pearson Prentice Hall.

MLA Style

King, Donald, B., Ritterskamp, James, J. "Purchasing manager's desk book of purchasing law". 3 United States of America: Pearson Prentice Hall, 1997. Perpustakaan KALBIS.