Dyfyniad APA

Philip, K., Gary, A., & Sridhar, B. (2025). Principles of Marketing (19th Edition). British Library Cataloguing-in-Publication Data.

Dyfyniad Arddull Chicago

Philip, Kotler, Armstron Gary, và Balasubramanian Sridhar. Principles of Marketing (19th Edition). British Library Cataloguing-in-Publication Data, 2025.

Dyfyniad MLA

Philip, Kotler, Armstron Gary, và Balasubramanian Sridhar. Principles of Marketing (19th Edition). British Library Cataloguing-in-Publication Data, 2025.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.