Dyfyniad APA

Roberts-Phelps Graham. (2005). Guide to Telephone Tactics (1.). VIVA Books Private Limited.

Dyfyniad Arddull Chicago

Roberts-Phelps Graham. Guide to Telephone Tactics. 1. New Delhi: VIVA Books Private Limited, 2005.

Dyfyniad MLA

Roberts-Phelps Graham. Guide to Telephone Tactics. 1. VIVA Books Private Limited, 2005.

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