APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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