Gaya APA

Chia, N, K, H., Yang, I, C, H. (2009). Dyscalculia and mathematics-related anomalies . Singapore: .

Gaya MLA

Chia, Noel, Kok, Hwee., Yang, I., Chien, Hui. "Dyscalculia and mathematics-related anomalies". Singapore: , 2009. .