Gaya APA
Ball, Wilfred. (1987).
Wet watercolour .
London:
B.T. Batsford Ltd..
Gaya Chicago
Ball, Wilfred.
Wet watercolour.
London:
B.T. Batsford Ltd.,
1987.
.
Gaya MLA
Ball, Wilfred.
Wet watercolour.
London:
B.T. Batsford Ltd.,
1987.
.
Gaya Turabian
Ball, Wilfred.
Wet watercolour.
London:
B.T. Batsford Ltd.,
1987.
.