Gaya APA

Mackey, D. (2006). Send Me an Update: A Step-by-Step Approach to Business and Professional Writing (1). United States of America: McGraw-Hill Book Company.

Gaya MLA

Mackey, Daphne. "Send Me an Update: A Step-by-Step Approach to Business and Professional Writing". 1 United States of America: McGraw-Hill Book Company, 2006. Text.