APA Style
al.], G, A, K, V, T, , [. (2017).
Marketing: an introduction (6TH EDITION).
Canada:
Pearson Canada Inc..
MLA Style
al.], Gary, Armstrong,Philip, Kotler,, Valerie, Trifts, , [et.
"Marketing: an introduction".
6TH EDITION
Canada:
Pearson Canada Inc.,
2017.
Electronic Resource.