BookMolen, H. T. van der, Ackermann, M., Osseweijer, E. M., Schmidt, H. G., Wal, E. van der, Boer, B. B. de, & Polak, M. (2018). Academic Writing Skills. 2nd edition. Amsterdam: Boom Lemma uitgevers. ISBN 978902440774 |
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BookAmerican Psychological Association. Publication Manual of the American Psychological Association, 6th (2009) or 7th (2019) edition. Washington, DC: American Psychological Association. |
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