Gaya APA

YEO, T.C. (2005). Primary Maths 1A . : SAD.

Gaya Chicago

YEO, T.C. Primary Maths 1A. : SAD, 2005. Text.

Gaya MLA

YEO, T.C. Primary Maths 1A. : SAD, 2005. Text.

Gaya Turabian

YEO, T.C. Primary Maths 1A. : SAD, 2005. Print.