European Association for Research on Learning and Instruction, European Conference for Research on Learning and Instruction, & Corte, E. d. (1987). Learning and instruction: European research in an international context. Leuven University Press ; , Pergamon Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)European Association for Research on Learning and Instruction, European Conference for Research on Learning and Instruction, και Erik de Corte. Learning and Instruction: European Research in an International Context. [Leuven, Belgium] : Oxford, England New York: Leuven University Press ; , Pergamon Press, 1987.
Παραπομπή σε μορφή MLA (9th εκδ.)European Association for Research on Learning and Instruction, et al. Learning and Instruction: European Research in an International Context. Leuven University Press ; , Pergamon Press, 1987.