Glasbergen, R. (1997). 'Toons!: How to draw wild & lively characters for all kinds of cartoons. North Light.
Citazione stile Chigago Style (17a edizione)Glasbergen, Randy. 'Toons!: How to Draw Wild & Lively Characters for All Kinds of Cartoons. Cincinnati: North Light, 1997.
Citatione MLA (9a ed.)Glasbergen, Randy. 'Toons!: How to Draw Wild & Lively Characters for All Kinds of Cartoons. North Light, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.