Gaya APA

Swanson, C, P., Millard, D, L. (NULL). More joy of watercolor6bcontinuing lesson i color, design and picture- ì making for the intermadiate adn advanced artis . New: New York: Watson Guptil; 1984.

Gaya MLA

Swanson, Carl, P.., Millard, David, Lyle. "More joy of watercolor6bcontinuing lesson i color, design and picture- ì making for the intermadiate adn advanced artis". New: New York: Watson Guptil; 1984, NULL. Text.