APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.