APA (7th ed.) Citation

Helsel, S. K. (1990). Interactive optical technologies in education and training: Markets and trends. Meckler.

Chicago Style (17th ed.) Citation

Helsel, Sandra K. Interactive Optical Technologies in Education and Training: Markets and Trends. Westport: Meckler, 1990.

MLA (8th ed.) Citation

Helsel, Sandra K. Interactive Optical Technologies in Education and Training: Markets and Trends. Meckler, 1990.

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