Cita APA (7a ed.)

Hoyle, K. (1988). Business calculations made simple ([2nd ed.].). Heinemann.

Cita Chicago Style (17a ed.)

Hoyle, Ken. Business Calculations Made Simple. [2nd ed.]. Oxford [etc.]: Heinemann, 1988.

Cita MLA (9a ed.)

Hoyle, Ken. Business Calculations Made Simple. [2nd ed.]. Heinemann, 1988.