Plowden, C. Chicheley
A manual of plants names
George Allen and Unwin, 1972
 Buku Teks
Operation of wastewater treatment plants : Manual of Practice No. 11
the Subcommitte in Operation of Wastewater Treatment Plants
Water Pollution Control Federation, 1976
 Buku Referensi
Kaufmann, Fred H.
Auto-didactic manual for a survey of the world of plants/ Fred H.Kaufmann,
Burgess Publishing, 1969
 Buku Teks
Dirr, Michael A.
Manual of woody landscape plants : their identification, ornamental characteristics, culture, propagation and uses
Stipes Publishing Company, 1983
 Buku Referensi
Baron, Stephen L., editor
Manual of energy saving in existing buildings and plants vol II: facility modifications
Prentice-Hall, 1978
 Buku Referensi