Gaya APA
A., M, R. (1958).
SPEAKING FOR RESULTS; A guide for business and professional speakers .
Boston:
HOUGHTON MIFFLIN COMPANY.
Gaya MLA
A., Micken, Ralph.
"SPEAKING FOR RESULTS; A guide for business and professional speakers".
Boston:
HOUGHTON MIFFLIN COMPANY,
1958.
Textbook.