National Fire Protection Association, Illustrated Dictionary of Fire Service Terms, Jones & Bartlett Publishers, MA. USA 2006. https://books.google.com.kw/books?id=W0WIRa3Gl4QC& printsec=frontcover&source=gbs_ge_summary_r&cad=0# v=onepage&q&f=false, (Fr Srvc - Amer) {141}
NFPA 1145 Guide for the Use of Class A Foams in Manual Structural Fire Fighting, 2006 ed. (Guide: Use of Class A Foams in Manual Stru Fr Fight - Amer) {386 NFC}