APA (7th ed.) Citation

Jones, P. L. (1980). Proportional reasoning of engineering students in Papua New Guinea.

Chicago Style (17th ed.) Citation

Jones, Peter L. Proportional Reasoning of Engineering Students in Papua New Guinea. 1980.

MLA (9th ed.) Citation

Jones, Peter L. Proportional Reasoning of Engineering Students in Papua New Guinea. 1980.

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