Gaya APA

Putri, R, S. (2009). Audio CD Smile 4 Smart Move in Learning English for Elementary School Fourth Grade . Jakarta: ESIS.

Gaya MLA

Putri, Ratna, Setyowati. "Audio CD Smile 4 Smart Move in Learning English for Elementary School Fourth Grade". Jakarta: ESIS, 2009. Digital Versatile Disc.