Παραπομπή σε μορφή APA (7η εκδ.)

Hopfenbeck, T., Maul, & A. (2011). Examining Evidence for the Validity of PISA Learning Strategy Scales Based on Student Response Processes.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hopfenbeck, T., Maul, και A. Examining Evidence for the Validity of PISA Learning Strategy Scales Based on Student Response Processes. 2011.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hopfenbeck, T., et al. Examining Evidence for the Validity of PISA Learning Strategy Scales Based on Student Response Processes. 2011.