Gaya APA

Beasley, A, A, A, R, J, E, M, S. (2006). Auditing and Assurance Services an integrated approach (11 ed). Canada: Pearson.

Gaya MLA

Beasley, Alvin, A., Arens,, Randal, J., Elder,, Mark, S.. "Auditing and Assurance Services an integrated approach". 11 ed Canada: Pearson, 2006. Text.