Gaya APA

Westhuizen, T, A, F, M, E, O, S, A, -, K, N, N, V, D. (2013). National Foundation Phase Maths Olympiad Grade 2 . Texas: Rice University, Houston.

Gaya MLA

Westhuizen, The, Association, For, Mathematics, Education, Of, South, Africa, -, Kwa-Zulu, Natal, Neels, Van, Der. "National Foundation Phase Maths Olympiad Grade 2". Texas: Rice University, Houston, 2013. Electronic Resource.