APA Style

Yin, L, S. (2007). The young scientists 88 level 1 : a whale is not a fish (88 level 1). Singapore: Young Scientists Enterprise.

MLA Style

Yin, Leong, Sheng. "The young scientists 88 level 1 : a whale is not a fish". 88 level 1 Singapore: Young Scientists Enterprise, 2007. Text.