Roberto, N., & Roberto, A. (2008). The best of marketing Rx for entrepreneurs: 21 marketing prescriptions to help entrepreneurs succeed. Inquirer Books, Philippine Daily Inquirer.
Παραπομπή σε μορφή Chicago (17η εκδ.)Roberto, Ned, και Ardy Roberto. The Best of Marketing Rx for Entrepreneurs: 21 Marketing Prescriptions to Help Entrepreneurs Succeed. [Makati City]: Inquirer Books, Philippine Daily Inquirer, 2008.
Παραπομπή σε μορφή MLA (9th εκδ.)Roberto, Ned, και Ardy Roberto. The Best of Marketing Rx for Entrepreneurs: 21 Marketing Prescriptions to Help Entrepreneurs Succeed. Inquirer Books, Philippine Daily Inquirer, 2008.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.