Gaya APA
Worth, Leslie. (1977).
The Practice of watercolour painting .
London:
Watson-Guptil.
Gaya Chicago
Worth, Leslie.
The Practice of watercolour painting.
London:
Watson-Guptil,
1977.
Text.
Gaya MLA
Worth, Leslie.
The Practice of watercolour painting.
London:
Watson-Guptil,
1977.
Text.
Gaya Turabian
Worth, Leslie.
The Practice of watercolour painting.
London:
Watson-Guptil,
1977.
Print.