APA Style

Murphy, S, J., Karas, G, B. (1996). MathStart, Level 2 #9: Give Me Half! (Understanding Halves) (Cetakan ke-1). New York: HarperCollins Publishers.

MLA Style

Murphy, Stuart, J.., Karas, G., Brian. "MathStart, Level 2 #9: Give Me Half! (Understanding Halves)". Cetakan ke-1 New York: HarperCollins Publishers, 1996. Text.