Gaya APA

Gray, I. et al (2019). The Audit process: principles, practice and cases 7th (7th ed). Hampshire, UK: Cengage, c.

Gaya MLA

Gray, Iain. et al. "The Audit process: principles, practice and cases 7th". 7th ed Hampshire, UK: Cengage, c, 2019. Buku Wajib.