Longwood, F. R. (1961). Puerto rican woods: Their machining, seasoning and related characteristics. U.S. Government Printing.
Chicago-Zitierstil (17. Ausg.)Longwood, Franklin R. Puerto Rican Woods: Their Machining, Seasoning and Related Characteristics. Washington, D.C.: U.S. Government Printing, 1961.
MLA-Zitierstil (9. Ausg.)Longwood, Franklin R. Puerto Rican Woods: Their Machining, Seasoning and Related Characteristics. U.S. Government Printing, 1961.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.