Miller, Edwin L., author
Mergers and acquisitions: a step-by-step legal and practical guide
John Wiley & Sons, 2008
 Buku Teks
Hasegawa, Noriyoshi, author
Sketching interiors: colour: A Step by step guide
Prgeone, 2006
 Buku Teks
Hasegawa, Noriyoshi, author
Sketching interiors: coloured pencils: a step-by-step guide
Page one publishing pte ltd, 2010
 Buku Teks
Porter, Lindsay, author
Caravan step-by-step owner's manual & service guide
Porter Publishing, 1995
 Buku Referensi
Kumar, Ranjit, author
Research Methodology : a step-by-step guide for beginners
Sage , 2014
 Buku Teks