APA (7 ম সংস্করণ) উদ্ধৃতি

International Labor Office. (1986). Economically active population estimates and projections, 1950-2025: Evaluations et projections de la population active, 1950-2025 ([3rd ed.].). International Labour Office.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

International Labor Office. Economically Active Population Estimates and Projections, 1950-2025: Evaluations Et Projections De La Population Active, 1950-2025. [3rd ed.]. Geneva: International Labour Office, 1986.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

International Labor Office. Economically Active Population Estimates and Projections, 1950-2025: Evaluations Et Projections De La Population Active, 1950-2025. [3rd ed.]. International Labour Office, 1986.