APA (7th ed.) Citation

Ispal, A., Ishak, M. Z., Ispal, M. A., & Abdullah, N. (2016). Energy concept development using the U slope. Researchers World.

Chicago Style (17th ed.) Citation

Ispal, Azlinah, Mohd Zaki Ishak, Mohd Asri Ispal, and Noraini Abdullah. Energy Concept Development Using the U Slope. Researchers World, 2016.

MLA (9th ed.) Citation

Ispal, Azlinah, et al. Energy Concept Development Using the U Slope. Researchers World, 2016.