edited by E.U. Condon and Hugh Odishaw
McGraw-Hill, 1967
Buku Referensi
edited by E.U. Condon and Hugh Odishaw
McGraw-Hill, 1958
Buku Referensi
edited by Diane Bridson and Leonard Forman
Royal Botanic Gardens, 1992
Buku Referensi
edited by Robert C. Klingender
CRC Press, 2008
Buku Referensi
edited by Bert N. Adams, Jan Trost
Sage Publications, 2005
Buku Referensi