APA
Martin G. Z., . (2014). 30 Days to online PR & marketing success. Vikas Publishing House: New Delhi.
Chicago
Martin Gail Z, . 2014. 30 Days to online PR & marketing success. Vikas Publishing House: New Delhi.
Harvard
Martin G. Z., . (2014). 30 Days to online PR & marketing success. Vikas Publishing House: New Delhi.
MLA
Martin Gail Z, . 30 Days to online PR & marketing success. Vikas Publishing House: New Delhi. 2014.