United States. Naval Facilities Engineering Command. (1987). Elevators, escalators, dumbwaiters, access lifts & pneumatic tube systems: Design guidance for applications & selection of systems. Naval Facilities Engineering Command.
Chicago Style (17th ed.) CitationUnited States. Naval Facilities Engineering Command. Elevators, Escalators, Dumbwaiters, Access Lifts & Pneumatic Tube Systems: Design Guidance for Applications & Selection of Systems. Alexandria, Va.: Naval Facilities Engineering Command, 1987.
MLA (9th ed.) CitationUnited States. Naval Facilities Engineering Command. Elevators, Escalators, Dumbwaiters, Access Lifts & Pneumatic Tube Systems: Design Guidance for Applications & Selection of Systems. Naval Facilities Engineering Command, 1987.
Warning: These citations may not always be 100% accurate.