APA (7e ed.) Bronvermelding

INTERNATIONAL LABOUR OFFICE. (1977). CAREER PLANNIING AND DEVELOPMENT: MANY DEVELOPMENT SERIES: NO: 12. INTERNATIONAL LABOUR ORGANIZATION.

Chicago (17e ed.) Bronvermelding

INTERNATIONAL LABOUR OFFICE. CAREER PLANNIING AND DEVELOPMENT: MANY DEVELOPMENT SERIES: NO: 12. GENEVA: INTERNATIONAL LABOUR ORGANIZATION, 1977.

MLA (9e ed.) Bronvermelding

INTERNATIONAL LABOUR OFFICE. CAREER PLANNIING AND DEVELOPMENT: MANY DEVELOPMENT SERIES: NO: 12. INTERNATIONAL LABOUR ORGANIZATION, 1977.