Gaya APA

Advertising Principles and Problems. (1968). Amerika: Richard D. Irwin Inc..

Gaya Chicago

Advertising Principles and Problems. Ed. 3. Amerika: Richard D. Irwin Inc., 1968. .

Gaya MLA

Advertising Principles and Problems. Ed. 3. Amerika: Richard D. Irwin Inc., 1968. .

Gaya Turabian

Advertising Principles and Problems. Amerika: Richard D. Irwin Inc., 1968. .