Gaya APA
EHRLICH, E. (1992).
THEORY AND PROBLEMS OF PUNCTUATION CAPITALIZATION AND SPELLING 2/ED .
SINGAPORE:
McGRAW-HILL, Inc.
Gaya MLA
EHRLICH, EUGENE.
"THEORY AND PROBLEMS OF PUNCTUATION CAPITALIZATION AND SPELLING 2/ED".
SINGAPORE:
McGRAW-HILL, Inc,
1992.
Prodi S1 Sastra Inggris.