APA Edition Citation

Gorle Peter & James Long. (1973). Essentials of product planning. McGraw hill.

Chicago Edition Citation

Gorle Peter and James Long. Essentials of Product Planning. London: McGraw hill, 1973.

MLA Edition Citation

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

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.