The use of visual aids for training and instructional purposes.
Paper prepared by the International Labour Office.

APA Citation

International Labour Office., International Labour Organisation. Petroleum Committee. (1955). The use of visual aids for training and instructional purposes. Geneva.

MLA Citation

International Labour Office, and International Labour Organisation. Petroleum Committee. The Use of Visual Aids for Training And Instructional Purposes. Geneva, 1955.

Warning: These citations may not always be complete (especially for serials).