Kettell, Brian, author
Frequently asked questions in Islamic finance
John Wiley & Sons, 2010
 Buku Teks
The American Constitution : cases, comments, questions
by William B. Lockhart ... [and others]
West Publishing Company, 1975
 Buku Teks
Shiffrin, Steven H., author
The First Amendment : cases, comments, questions
West, 2011
 Buku Teks
Dayaratnam, P., author
Structural engineering : through objective questions
Tata McGraw-Hill, 1983
 Buku Teks
Elonka, Stephen Michael
Standard plant operator's questions & answers
McGraw-Hill, 1981
 Buku Referensi