Gaya APA
NORMAN, D., BREMSER, M. (2008).
Watercolour: Tips &Tricks: Learn to paint with confidence .
Pageone:
Singapore.
Gaya MLA
NORMAN, David., BREMSER, Martha.
"Watercolour: Tips &Tricks: Learn to paint with confidence".
Pageone:
Singapore,
2008.
Buku Teks.