Παραπομπή APA

Kim, S. C., & Sperling, L. H. (1997). IPNs around the world science and engineering. Chichester: John Wiley & Sons.

Παραπομπή Chicago Style

Kim, S. C., and L. H. Sperling. IPNs Around the World Science and Engineering. Chichester: John Wiley & Sons, 1997.

Παραπομπή MLA

Kim, S. C., and L. H. Sperling. IPNs Around the World Science and Engineering. Chichester: John Wiley & Sons, 1997.

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