STONE, B. (1994). Successful Direct Marketing Methods Bob Stone. NTC Business Books.
Chicago-стиль цитированияSTONE, Bob. Successful Direct Marketing Methods Bob Stone. NTC Business Books, 1994.
MLA-цитированиеSTONE, Bob. Successful Direct Marketing Methods Bob Stone. NTC Business Books, 1994.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.