Cita APA (7a ed.)

Sorg, E. (2017). Portfolio: Beginning Colored Pencil (1st edition.). Walter Foster.

Cita Chicago Style (17a ed.)

Sorg, Eileen. Portfolio: Beginning Colored Pencil. 1st edition. Walter Foster, 2017.

Cita MLA (9a ed.)

Sorg, Eileen. Portfolio: Beginning Colored Pencil. 1st edition. Walter Foster, 2017.

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