Grimes, Ellen
How to prepare for the business law section of the C.P.A. examination
McGraw-Hill, 1978
 Buku Teks
How to prepare for the GRE, graduate record examination : general test
by Samuel C. Brownstein [and others]
Barron's, 1994
 Buku Teks
Barron's how to prepare for the national council licensure examination for reggistered nurses nclex- RN
by Luzviminda Casapao [and others]
Barron's Educational Series, 1983
 Buku Teks SO
Gleim, Irvin N.
CPA examination review; Vol. 2 : Problems and Solutions
John Wiley & Sons, 1984
 Buku Teks
Luther, William M.
The marketing plan: how to prepare and implement it
American Management Association;, 2011
 eBooks