Turabian, Kate L., author
University of Chicago Press, 1982
Buku Teks
International Franchise Business Management, 2007
Buku Teks
Cafardi, Jennifer A., author
Springer, 2012
eBooks
Muir, Robert, author
Henry Frowde, Hodder & Stoughton, 1921
Buku Teks
Autodesk Inc., 1986
Buku Referensi