APA (7th ed.) Citation

DUNCAN, D. J. Programmed Learning Aid for Retailing Modern Concepts and Practices. Richard D. Irwin, Inc.

Chicago Style (17th ed.) Citation

DUNCAN, Delbert J. Programmed Learning Aid for Retailing Modern Concepts and Practices. Richard D. Irwin, Inc.

MLA (8th ed.) Citation

DUNCAN, Delbert J. Programmed Learning Aid for Retailing Modern Concepts and Practices. Richard D. Irwin, Inc.

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