Gaya APA
Watson, Ernest W.. (1995).
The Art of Pencil Drawing .
New York:
Watson - Guptill.
Gaya Chicago
Watson, Ernest W..
The Art of Pencil Drawing.
New York:
Watson - Guptill,
1995.
.
Gaya MLA
Watson, Ernest W..
The Art of Pencil Drawing.
New York:
Watson - Guptill,
1995.
.
Gaya Turabian
Watson, Ernest W..
The Art of Pencil Drawing.
New York:
Watson - Guptill,
1995.
.