Gaya APA

J., G, ,, J. (2007). Teaching Science For Understanding : A Practical Guide For Middle And High School Teachers (cet. 1). mexico: Person Merril Prentice hall.

Gaya MLA

J., Gallagher, ,, James. "Teaching Science For Understanding : A Practical Guide For Middle And High School Teachers". cet. 1 mexico: Person Merril Prentice hall, 2007. MP.