Dyfyniad APA

Robertson, S., & Bertling, T. How to draw: Drawing and sketching objects and environments from your imagination.

Dyfyniad Arddull Chicago

Robertson, Scott, and Thomas Bertling. How to Draw: Drawing and Sketching Objects and Environments from Your Imagination.

Dyfyniad MLA

Robertson, Scott, and Thomas Bertling. How to Draw: Drawing and Sketching Objects and Environments from Your Imagination.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.