Purpura, J. E. (1999). Learner strategy use and performance on language tests: A structural equation modeling approach. Cambridge University Press.
Chicago Style (17. basım) AtıfPurpura, James Enos. Learner Strategy Use and Performance on Language Tests: A Structural Equation Modeling Approach. Cambridge, UK: Cambridge University Press, 1999.
MLA (9th ed.) AtıfPurpura, James Enos. Learner Strategy Use and Performance on Language Tests: A Structural Equation Modeling Approach. Cambridge University Press, 1999.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..