APA Edition Citation

Gorle, P., & Long, J. (1973). Essentials of product planning. McGraw-Hill.

Chicago Edition Citation

Gorle, Peter, and James Long. Essentials of Product Planning. McGraw-Hill, 1973.

MLA Edition Citation

Gorle, Peter, and James Long. Essentials of Product Planning. McGraw-Hill, 1973.

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