APA Style

Bhd., P, P, S. (2014). Let's Guess - Ding Dong! What Sound Is That? . : Penerbitan Pelangi Sdn.Bhd..

MLA Style

Bhd., Penerbitan, Pelangi, Sdn.. "Let's Guess - Ding Dong! What Sound Is That?". : Penerbitan Pelangi Sdn.Bhd., 2014. Text.