Cita APA

Norling, E. R. (1999). Perspective made easy. Dover Publications.

Citación estilo Chicago

Norling, Ernest R. Perspective Made Easy. Mineola, N.Y.: Dover Publications, 1999.

Cita MLA

Norling, Ernest R. Perspective Made Easy. Dover Publications, 1999.

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