Παραπομπή σε μορφή APA (7η εκδ.)

Karplus, R. (1977). Science teaching and the development of reasoning: A workshop. Lawrence Hall of Science, University of California.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Karplus, Robert. Science Teaching and the Development of Reasoning: A Workshop. Berkeley, CA: Lawrence Hall of Science, University of California, 1977.

Παραπομπή σε μορφή MLA (9th εκδ.)

Karplus, Robert. Science Teaching and the Development of Reasoning: A Workshop. Lawrence Hall of Science, University of California, 1977.