APA (7th ed.) Citation

Kassler, R. (1980). The teacher's tools: An instructional aid for workers' educators and trade unionists. International Labour Office.

Chicago Style (17th ed.) Citation

Kassler, Reinhard. The Teacher's Tools: An Instructional Aid for Workers' Educators and Trade Unionists. Geneva, Switzerland: International Labour Office, 1980.

MLA (9th ed.) Citation

Kassler, Reinhard. The Teacher's Tools: An Instructional Aid for Workers' Educators and Trade Unionists. International Labour Office, 1980.

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