Garratt, J., Overton, T., & Threlfall, T. (1999). A question of chemistry: Creative problems for critical thinkers. Pearson-Longman.
Cita Chicago Style (17a ed.)Garratt, John, Tina Overton, y Terry Threlfall. A Question of Chemistry: Creative Problems for Critical Thinkers. Harlow (England): Pearson-Longman, 1999.
Cita MLA (9a ed.)Garratt, John, et al. A Question of Chemistry: Creative Problems for Critical Thinkers. Pearson-Longman, 1999.
Precaución: Estas citas no son 100% exactas.