Gaya APA
Hayden, R, E. et al (1956).
Mastering American English : A Handbook-Workbook of Essentials .
America:
Prentice Hall.
Gaya MLA
Hayden, Rebecca, E.. et al.
"Mastering American English : A Handbook-Workbook of Essentials".
America:
Prentice Hall,
1956.
Text.