White, Paul A.
Introductory college mathematics
Dickenson, 1970
 Buku Teks
Griffin, Paul F.
Introductory college geography
Fearon, 1965
 Buku Teks
Skeen, Kenneth C.
Introductory college mathematics with business applications
Addison-Wesley, 1969
 Buku Teks
Foods : an introductory college course / Gladys E. Vail... [et.al.]
Houghton Miffiln, 1967
 Buku Teks
Russo, Steve
Introductory chemistry
Pearson Benjamin Cummings, 2007
 Buku Teks