Cita APA (7th ed.)

Peter Riley. (2005). Checkpoint Chemistry Pupil's Book (Checkpoint Science). "Trans-Atlantic Publications, Inc.".

Cita Chicago (17th ed.)

Peter Riley. Checkpoint Chemistry Pupil's Book (Checkpoint Science). "Trans-Atlantic Publications, Inc.", 2005.

Cita MLA (9th ed.)

Peter Riley. Checkpoint Chemistry Pupil's Book (Checkpoint Science). "Trans-Atlantic Publications, Inc.", 2005.