Dyfyniad APA
Pearson, B., & Zehr, D. (2011). Pre-commerce: How companies and customers are transforming business together. Jossey-Bass.
Dyfyniad Arddull Chicago
Pearson, Bob, and Dan Zehr. Pre-commerce: How Companies and Customers Are Transforming Business Together. San Francisco: Jossey-Bass, 2011.
Dyfyniad MLA
Pearson, Bob, and Dan Zehr. Pre-commerce: How Companies and Customers Are Transforming Business Together. Jossey-Bass, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.