Gaya APA
RALPH, M, A. (1958).
SPEAKING FOR RESULTS: FOR BUSINESS AND PROFESSIONAL SPEAKERS .
Boston:
HOUGHTON MIFFLIN COMPANY.
Gaya MLA
RALPH, MICKEN, A..
"SPEAKING FOR RESULTS: FOR BUSINESS AND PROFESSIONAL SPEAKERS".
Boston:
HOUGHTON MIFFLIN COMPANY,
1958.
Textbook.