APA (7e ed.) Bronvermelding

International Labour Office & Amjad, R. (1990). Quantitative techniques in employment planning: Five papers. International Labour Office.

Chicago (17e ed.) Bronvermelding

International Labour Office en Rashid Amjad. Quantitative Techniques in Employment Planning: Five Papers. Geneva: International Labour Office, 1990.

MLA (9e ed.) Bronvermelding

International Labour Office en Rashid Amjad. Quantitative Techniques in Employment Planning: Five Papers. International Labour Office, 1990.