APA aipamena

Hollett, V., & Duckworth, M. (1992). Business Objectives: Student"s Book & Workbook. Oxford: Oxford University Press.

Chicago Style aipamena

Hollett, Vicki, và Michael Duckworth. Business Objectives: Student"s Book & Workbook. Oxford: Oxford University Press, 1992.

MLA aipamena

Hollett, Vicki, và Michael Duckworth. Business Objectives: Student"s Book & Workbook. Oxford: Oxford University Press, 1992.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.