Παραπομπή σε μορφή APA (7η εκδ.)

Laird, J., Rosenbloom, P. S., & Newell, A. (1986). Universal subgoaling and chunking: The automatic generation and learning of goal hierarchies. Kluwer Academic Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Laird, John, Paul S. Rosenbloom, και Allen Newell. Universal Subgoaling and Chunking: The Automatic Generation and Learning of Goal Hierarchies. Boston: Kluwer Academic Publishers, 1986.

Παραπομπή σε μορφή MLA (9th εκδ.)

Laird, John, et al. Universal Subgoaling and Chunking: The Automatic Generation and Learning of Goal Hierarchies. Kluwer Academic Publishers, 1986.