Gaya APA
Orr, L, M., Orr, D, J.
(2013).
When to Hire—or Not Hire—a Consultant
.
Apress:
Apress.
Gaya MLA
Orr, Linda, M.., Orr, Dave, J..
"When to Hire—or Not Hire—a Consultant".
Apress:
Apress,
2013.
E-Book.