Instituto Brasileiro de Informação em Ciência e Tecnologia

Παραπομπή σε μορφή APA (7η εκδ.)

Não informado. (1952). Personnel and Guidance Journal. American Personnel and Guidance Association.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Não informado. Personnel and Guidance Journal. Alexandria, Va: American Personnel and Guidance Association, 1952.

Παραπομπή σε μορφή MLA (8th εκδ.)

Não informado. Personnel and Guidance Journal. American Personnel and Guidance Association, 1952.