APA ציטוט

Brown, R., & Campbell, G. A. (1969). How to find out about the chemical industry. Pergamon Press.

Chicago Edition Citation

Brown, Russell, and G. A. Campbell. How to Find Out About the Chemical Industry. Pergamon Press, 1969.

ציטוט MLA

Brown, Russell, and G. A. Campbell. How to Find Out About the Chemical Industry. Pergamon Press, 1969.