APA (7th ed.) Citation
Barker, D., & Ott, M. (1990). Using harvard graphics for business presentations (1.vyd.). Boyd and Fraser Publishing Company.
Chicago Style (17th ed.) Citation
Barker, Donald, and Melvin Ott. Using Harvard Graphics for Business Presentations. 1.vyd. Boston: Boyd and Fraser Publishing Company, 1990.
MLA (9th ed.) Citation
Barker, Donald, and Melvin Ott. Using Harvard Graphics for Business Presentations. 1.vyd. Boyd and Fraser Publishing Company, 1990.
Warning: These citations may not always be 100% accurate.