Hatch, D., Jackson, D. [Two thousand two hundred thirty-nine] 2,239 Tested Secrets for Direct Marketing Success. Chicago: NTC Busines Books, 1997 358 с. 978-0-8442-0349-2.
Hatch, D., Jackson, D. [Two thousand two hundred thirty-nine] 2,239 Tested Secrets for Direct Marketing Success. Chicago: NTC Busines Books, 1997 358 с. 978-0-8442-0349-2.
Hatch, D., Jackson, D. (1997) [Two thousand two hundred thirty-nine] 2,239 Tested Secrets for Direct Marketing Success, Chicago: NTC Busines Books 358 с. 978-0-8442-0349-2.
Hatch, D., & Jackson, D. (1997). [Two thousand two hundred thirty-nine] 2,239 Tested Secrets for Direct Marketing Success. Chicago: NTC Busines Books, 358 с.
Hatch D, Jackson D. [Two thousand two hundred thirty-nine] 2,239 Tested Secrets for Direct Marketing Success. Chicago: NTC Busines Books; 1997. p. 358 с. ISBN: 978-0-8442-0349-2.