Παραπομπή APA

Norris, W. (1972). Information service in guidance: For career development and planning (3rd. ed.). R and Mc Nally.

Παραπομπή Chicago Style

Norris, Willa. Information Service in Guidance: For Career Development and Planning. 3rd. ed. Chicago: R and Mc Nally, 1972.

Παραπομπή MLA

Norris, Willa. Information Service in Guidance: For Career Development and Planning. 3rd. ed. R and Mc Nally, 1972.