Gaya APA

HEITZMAN, Z, R., MUELLER, F, W. (1980). STATISTICS FOR BUSINESS AND ECONOMICS . : ALLYN AND BACON, INC.

Gaya MLA

HEITZMAN, ZILLIAM, R.., MUELLER, FREDERICK, W.. "STATISTICS FOR BUSINESS AND ECONOMICS". : ALLYN AND BACON, INC, 1980. Prodi S2 Manajemen.