APA
Muckian M. &. W. J., .Business Letter Handbook : How To Write Effective Letters & Memos For Every Business Situation .-978-1-55850-614-5. : Viva, USA.
Chicago
Muckian M & Woods J, .Business Letter Handbook : How To Write Effective Letters & Memos For Every Business Situation .-978-1-55850-614-5. : Viva, USA.
Harvard
Muckian M. &. W. J., .Business Letter Handbook : How To Write Effective Letters & Memos For Every Business Situation .-978-1-55850-614-5. : Viva, USA.
MLA
Muckian M & Woods J, .: Viva, USA. .
