Porter, Lindsay
Caravan step-by-step owner's manual & service guide
Porter Publishing, 1995
Buku Referensi
Jain, S.C.
Tractor engine : maintenance and repair
Tata McGraw-Hill, 1980
Buku Teks
Kroes, Michael J
Aircraft maintenance & repair
Glencoe, 1993
Buku Teks SO
Dempsey, Paul
Two-stroke engine: repair and maintenance
McGraw-Hill, 2010
Buku Teks
Concrete repair : a practical guide
Michael G. Grantham, editor
Routledge, 2011
Buku Teks SO