Gaya APA
Hayden, R., A. et al. (1977).
Mastering American English : A Handbook - Workbook of Essentials (1).
New York:
Prentice Hall International.
Gaya MLA
Hayden, Rebecca, A. et al.
"Mastering American English : A Handbook - Workbook of Essentials".
1
New York:
Prentice Hall International,
1977.
Buku Inti.