APA (7e ed.) Bronvermelding

Treacy, D. (1993). Successful time management in a week. Hodder & Stoughton.

Chicago (17e ed.) Bronvermelding

Treacy, Declan. Successful Time Management in a Week. London: Hodder & Stoughton, 1993.

MLA (8e ed.) Bronvermelding

Treacy, Declan. Successful Time Management in a Week. Hodder & Stoughton, 1993.