Gaya APA

Kali, Y. et al (2003). Effect of Knowledge Integration Activities on Students' Perception of the Earth's Crust as a Cyclic System . : Wiley Publishers.

Gaya MLA

Kali, Yael. et al. "Effect of Knowledge Integration Activities on Students' Perception of the Earth's Crust as a Cyclic System". : Wiley Publishers, 2003. Jurnal.