APA (7e ed.) Bronvermelding

Não informado. (1993). Technical Education & Training Abstracts. Carfax Publishing.

Chicago (17e ed.) Bronvermelding

Não informado. Technical Education & Training Abstracts. Oxfordshire, Inglaterra: Carfax Publishing, 1993.

MLA (8e ed.) Bronvermelding

Não informado. Technical Education & Training Abstracts. Carfax Publishing, 1993.

Let op: Deze citaties zijn niet altijd 100% accuraat.