APA aipamena

Reddy, T. G. (1977). Effect of channel variation on message comprehension among extension workers [microform]. Photoduplication Service. University of the Philippines Library.

Chicago Style aipamena

Reddy, Thumma George. Effect of Channel Variation on Message Comprehension Among Extension Workers [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.

MLA aipamena

Reddy, Thumma George. Effect of Channel Variation on Message Comprehension Among Extension Workers [microform]. Photoduplication Service. University of the Philippines Library, 1977.