Παραπομπή σε μορφή APA (7η εκδ.)

Semilla, L. V. Moves and strategies in a principle venture in secondary school mathematics.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Semilla, Lilia V. Moves and Strategies in a Principle Venture in Secondary School Mathematics. Illinois: University of Illinois, 1971.

Παραπομπή σε μορφή MLA (9th εκδ.)

Semilla, Lilia V. Moves and Strategies in a Principle Venture in Secondary School Mathematics.