APA Style

Murphy, S, J., Lum, B. (2004). MathStart, Level 1 #11: Mighty Maddie (Comparing Weights) (Cetakan ke-1). New York: HarperCollins Publishers.

MLA Style

Murphy, Stuart, J.., Lum, Bernice. "MathStart, Level 1 #11: Mighty Maddie (Comparing Weights)". Cetakan ke-1 New York: HarperCollins Publishers, 2004. Text.