Gaya APA
LEWIS, DAVID. (1984).
PENCIL DRAWING TECHNIQUES: LEARN HOW TO MASTER PENCIL WORKING TECHNIQUES TO CREATE YOUR OWN SUCCESSFUL DRAWINGS .
NEW YORK:
WATSON-GUPTILL PUBLICATIONS.
Gaya Chicago
LEWIS, DAVID.
PENCIL DRAWING TECHNIQUES: LEARN HOW TO MASTER PENCIL WORKING TECHNIQUES TO CREATE YOUR OWN SUCCESSFUL DRAWINGS.
NEW YORK:
WATSON-GUPTILL PUBLICATIONS,
1984.
Text.
Gaya MLA
LEWIS, DAVID.
PENCIL DRAWING TECHNIQUES: LEARN HOW TO MASTER PENCIL WORKING TECHNIQUES TO CREATE YOUR OWN SUCCESSFUL DRAWINGS.
NEW YORK:
WATSON-GUPTILL PUBLICATIONS,
1984.
Text.
Gaya Turabian
LEWIS, DAVID.
PENCIL DRAWING TECHNIQUES: LEARN HOW TO MASTER PENCIL WORKING TECHNIQUES TO CREATE YOUR OWN SUCCESSFUL DRAWINGS.
NEW YORK:
WATSON-GUPTILL PUBLICATIONS,
1984.
Print.