APA
Benham C., Holland C., Enjily V., Forestry Commission & Building Research Establishment. (2003). Guide to machine strength grading of timber. Watford: BRE.
Chicago
Benham C, Holland C, Enjily V, Forestry Commission and Building Research Establishment. 2003. Guide to machine strength grading of timber. Watford: BRE.
Harvard
Benham C., Holland C., Enjily V., Forestry Commission and Building Research Establishment. (2003). Guide to machine strength grading of timber. Watford: BRE.
MLA
Benham C, Holland C, Enjily V, Forestry Commission and Building Research Establishment. Guide to machine strength grading of timber. Watford: BRE. 2003.