Gaya APA
Hayden, . et al (1956).
Mastering american english : a handbook-workbook of esentials (Cet. 1).
New Jersey:
Prentice Hall.
Gaya MLA
Hayden, . et al.
"Mastering american english : a handbook-workbook of esentials".
Cet. 1
New Jersey:
Prentice Hall,
1956.
Text.