Gaya APA
LYOYD, A, C. (1985).
Keyboarding: Adapted From Gregg College Typing .
Chicago:
SCIENCE RESEARCH ASSOCIATES, INC..
Gaya MLA
LYOYD, Alan, C.
"Keyboarding: Adapted From Gregg College Typing".
Chicago:
SCIENCE RESEARCH ASSOCIATES, INC.,
1985.
UMUM.