Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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