Gaya APA
Frank, M. (1986).
Modern English : Exercises For Non-Native Speakers Part I Parts Of Speech Second Edition (Ed. 2).
New Jersey:
Prentice-Hall.
Gaya MLA
Frank, Marcella.
"Modern English : Exercises For Non-Native Speakers Part I Parts Of Speech Second Edition".
Ed. 2
New Jersey:
Prentice-Hall,
1986.
Text.