Cita APA

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

Citación estilo Chicago

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

Cita MLA

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

Warning: These citations may not always be 100% accurate.