University of the Philippines (Los Banos). College of Agriculture & Department of Agricultural Information and Communication. (1965). Introduction to communication theory and practice: A reader. College of Agriculture, University of the Philippines.
Chicago-referens (17:e uppl.)University of the Philippines (Los Banos). College of Agriculture och Department of Agricultural Information and Communication. Introduction to Communication Theory and Practice: A Reader. College, Laguna: College of Agriculture, University of the Philippines, 1965.
MLA-referens (9:e uppl.)University of the Philippines (Los Banos). College of Agriculture och Department of Agricultural Information and Communication. Introduction to Communication Theory and Practice: A Reader. College of Agriculture, University of the Philippines, 1965.