Gaya APA

Rahayu, N., Giriarsa, J, P. (2011). Crossword Puzzle Kimia (1). Bandung: Kaifa.

Gaya MLA

Rahayu, Nurhayati., Giriarsa, Jodhi, P.. "Crossword Puzzle Kimia". 1 Bandung: Kaifa, 2011. Text.