Dyfyniad APA

Manova, K., & Zhang, Z. (2017). Multi-product firms and product quality. Elsevier.

Dyfyniad Arddull Chicago

Manova, K., and Z. Zhang. Multi-product Firms and Product Quality. Elsevier, 2017.

Dyfyniad MLA

Manova, K., and Z. Zhang. Multi-product Firms and Product Quality. Elsevier, 2017.

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