Park, William R.
How to succeed in your own business
John Wiley & Sons, 1978
 Buku Teks
Elliot, Rose
Kitchen pharmacy : how to make your own remedies
Chapmans Publisher Ltd., 1994
 Buku Referensi
Greene, Gardiner G.
How to start and manage your own business
McGraw-Hill, 1975
 Buku Teks
Minrath, William R.
How to run your own business and make it pay
D. Van Nostrand, 1956
 Buku Teks SO
Khalili, Nader
Ceramic houses and earth architecture : how to build your own /​ Nader Khalili.
Cal-Earth Press, 1996
 Buku Teks SO