APA

Clear A., Association for Computing Machinery & ACM Special Interest Group on Computer Science Education. (2012). Proceedings of the ninth annual international conference on International computing education research. New York, NY: ACM.

Chicago

Clear Alison, Association for Computing Machinery and ACM Special Interest Group on Computer Science Education. 2012. Proceedings of the ninth annual international conference on International computing education research. New York, NY: ACM.

Harvard

Clear A., Association for Computing Machinery and ACM Special Interest Group on Computer Science Education. (2012). Proceedings of the ninth annual international conference on International computing education research. New York, NY: ACM.

MLA

Clear Alison, Association for Computing Machinery and ACM Special Interest Group on Computer Science Education. Proceedings of the ninth annual international conference on International computing education research. New York, NY: ACM. 2012.