APA (7th ed.) Citation

Tapia-Hernández, R. (1980). Correlation between knowledge of grammar rules and performance in Spanish as a foreign language. University Microfilms International.

Chicago Style (17th ed.) Citation

Tapia-Hernández, Rafael. Correlation Between Knowledge of Grammar Rules and Performance in Spanish as a Foreign Language. Ann Arbor: University Microfilms International, 1980.

MLA (9th ed.) Citation

Tapia-Hernández, Rafael. Correlation Between Knowledge of Grammar Rules and Performance in Spanish as a Foreign Language. University Microfilms International, 1980.