Style de citation APA (7e éd.)

Goh, D. H., Ang, R. P., Theng, Y. L., & Lim, E. (2005). GeogDL: A Web-Based Approach to Geography Examination Revision.

Style de citation Chicago (17e éd.)

Goh, Dion H., Rebecca P. Ang, Yin Leng Theng, et Ee-Peng Lim. GeogDL: A Web-Based Approach to Geography Examination Revision. 2005.

Style de citation MLA (9e éd.)

Goh, Dion H., et al. GeogDL: A Web-Based Approach to Geography Examination Revision. 2005.