Gaya APA
GUHL, Louise. (1979).
Keyboard proficiency .
New York:
Harcourt Brace Jovanovich Inc..
Gaya Chicago
GUHL, Louise.
Keyboard proficiency.
New York:
Harcourt Brace Jovanovich Inc.,
1979.
.
Gaya MLA
GUHL, Louise.
Keyboard proficiency.
New York:
Harcourt Brace Jovanovich Inc.,
1979.
.
Gaya Turabian
GUHL, Louise.
Keyboard proficiency.
New York:
Harcourt Brace Jovanovich Inc.,
1979.
.