APA (7. basım) Alıntı

Levin, P. (2007). Skilful time management! Open University Press.

Chicago Style (17. basım) Atıf

Levin, Peter. Skilful Time Management! Maidenhead, England ; New York: Open University Press, 2007.

MLA (9th ed.) Atıf

Levin, Peter. Skilful Time Management! Open University Press, 2007.