APA (7th ed.) Citation

(1990). Yearbook of labour statistics 1989 - 90. International Labour Office.

Chicago Style (17th ed.) Citation

Yearbook of Labour Statistics 1989 - 90. Geneva: International Labour Office, 1990.

MLA (9th ed.) Citation

Yearbook of Labour Statistics 1989 - 90. International Labour Office, 1990.

Warning: These citations may not always be 100% accurate.