Gaya APA

Billingsley, D, V, H, J, C. (1980). Statistics inference for management and economics ed. 2 (2). New Delhi: Allyn and bacon; Inc.

Gaya MLA

Billingsley, David, V, Huntsberger\r\nD, James, Croft\r\nPatrick. "Statistics inference for management and economics ed. 2". 2 New Delhi: Allyn and bacon; Inc, 1980. Text.