APA (7th ed.) Citation

Semilla, L. V. (1971). Moves and strategies in a principle venture in secondary school mathematics. University Microfilms.

Chicago Style (17th ed.) Citation

Semilla, Lilia V. Moves and Strategies in a Principle Venture in Secondary School Mathematics. Ann Arbor: University Microfilms, 1971.

MLA (9th ed.) Citation

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