Hammack, R., & Wilfried Imrich, S. K. (2011). Handbook of product graphs (2nd ed.). CRC.
Čikaški stil citiranjaHammack, Richard, i Sandi Klavzar Wilfried Imrich. Handbook of Product Graphs. 2nd ed. Boca Raton: CRC, 2011.
MLA način citiranjaHammack, Richard, i Sandi Klavzar Wilfried Imrich. Handbook of Product Graphs. 2nd ed. CRC, 2011.
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