APA citiranje

Hesseling, P. (1986). Frontiers of learning: The Ph. D. Octopus. Dordrecht: Foris Publications.

Trích dẫn kiểu Chicago

Hesseling, Pjotr. Frontiers of Learning: The Ph. D. Octopus. Dordrecht: Foris Publications, 1986.

MLA citiranje

Hesseling, Pjotr. Frontiers of Learning: The Ph. D. Octopus. Dordrecht: Foris Publications, 1986.

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