Gaya APA
Elder, R, J. et al
(2010).
Auditing and Assurance Services Edition Thirteenth
(
13)
.
USA:
Pearson Education.
Gaya MLA
Elder, Randal, J.. et al.
"Auditing and Assurance Services Edition Thirteenth".
13
USA:
Pearson Education,
2010.
eBook.