For Koelreuteria
Acevedo-Rodríguez, van Welzen, Adema, and van der Ham. 2011. Sapindaceae. In Kubitzki, K., ed. 2011. The families and genera of vascular plants. X. Flowering plants – Eudicots – Sapindales, Cucurbitales, Myrtaceae. Springer, Berlin. 436 pp.
Meyer, F.G. 1976. A revision of the genus Koelreuteria (Sapindaceae). J. Arnold Arb. 57: 129-166.