APA (7th ed.) Citation

Leal, J. P., & Queirós, R. (2014). Extending the learning object definition to represent programming problems.

Chicago Style (17th ed.) Citation

Leal, José Paulo, and Ricardo Queirós. Extending the Learning Object Definition to Represent Programming Problems. 2014.

MLA (8th ed.) Citation

Leal, José Paulo, and Ricardo Queirós. Extending the Learning Object Definition to Represent Programming Problems. 2014.

Warning: These citations may not always be 100% accurate.