APA (7e ed.) Bronvermelding

Johnson, C. (1992). Creating textures in watercolor: A guide to painting 83 textures from grass to glass to tree bark to fur. North Light.

Chicago (17e ed.) Bronvermelding

Johnson, Cathy. Creating Textures in Watercolor: A Guide to Painting 83 Textures from Grass to Glass to Tree Bark to Fur. Cincinnati: North Light, 1992.

MLA (9e ed.) Bronvermelding

Johnson, Cathy. Creating Textures in Watercolor: A Guide to Painting 83 Textures from Grass to Glass to Tree Bark to Fur. North Light, 1992.