APA-viite (7. p.)

Calpin, M. (1981). Understanding audits and audit reports (Rev. ed.). Canadian Institute of Chartered Accountants.

Chicago-viite (17. p.)

Calpin, Martin. Understanding Audits and Audit Reports. Rev. ed. [Toronto, Ont.]: Canadian Institute of Chartered Accountants, 1981.

MLA-viite (8. p.)

Calpin, Martin. Understanding Audits and Audit Reports. Rev. ed. Canadian Institute of Chartered Accountants, 1981.