APA (7e ed.) Bronvermelding

Obst, P. (2011). Age and gender comparisons of driving while sleepy: Behaviours and risk perceptions. Elsevier Ltd.

Chicago (17e ed.) Bronvermelding

Obst, Patricia. Age and Gender Comparisons of Driving While Sleepy: Behaviours and Risk Perceptions. Netherlands: Elsevier Ltd, 2011.

MLA (8e ed.) Bronvermelding

Obst, Patricia. Age and Gender Comparisons of Driving While Sleepy: Behaviours and Risk Perceptions. Elsevier Ltd, 2011.