Gaya APA
SALES, R, D, R, D. (2004).
E-BOOK FRENCH VERB DRILLS (3).
UNITED STATES OF AMERICA:
MCGRAW-HILL BOOK COMPANY.
Gaya MLA
SALES, R., DE, ROUSSY, DE.
"E-BOOK FRENCH VERB DRILLS".
3
UNITED STATES OF AMERICA:
MCGRAW-HILL BOOK COMPANY,
2004.
Computer File.