Hodges, John C.
Harbrace college handbook
Harcourt Brace Jovanovich, 1972
 Buku Teks SO
Schorer, Mark
Harbrace college reader
Harcourt, Brace Jovanovich, 1972
 Buku Teks SO
Graham, Sheila Y.
Harbrace college workbook form 7A / Sheila Y. Graham
Harcourt Brace Jovanovich , 1972
 Buku Teks SO
Marius, Richard
College handbook
McGraw-Hill, 1988
 Buku Teks
Marius, Richard
The McGraw-Hill college handbook
McGraw-Hill, 1988
 Buku Referensi