Bremer, Kare
Asteraceae : cladistics and classification
Timber Press, 1994
 Buku Teks SO
Ridley, Mark
Evolution
Blackwell, 1993
 Buku Teks SO
A dictionary of microbial taxonomy
edited by S.T. Cowan and L.R. Hill
Cambridge University Press, 1978
 Buku Referensi
Jeffrey, Charles
An introduction to plant taxonomy
Cambridge University Press, 1982
 Buku Teks SO
Naik, V.N.
Taxonomy of angiosperms / V.N. Naik
Tata McGraw-Hill, 1984
 Buku Teks SO