Hammack, R. (2011). Handbook of product graphs (2nd.). CRC.
Chicago Edition CitationHammack, Richard. Handbook of Product Graphs. 2nd. London: CRC, 2011.
MLA Edition CitationHammack, Richard. Handbook of Product Graphs. 2nd. CRC, 2011.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.