Gaya APA

Johnstone, K, M. et al (2014). AUDITING A RISK-BASED APPROACH TO CONDUCTING A QUALITY AUDIT (Ninth Edition). United States of America: Cengage Learning.

Gaya MLA

Johnstone, Karla, M.. et al. "AUDITING A RISK-BASED APPROACH TO CONDUCTING A QUALITY AUDIT". Ninth Edition United States of America: Cengage Learning, 2014. eBook.