APA Style
Pasaribu, G. B., May, D.T.. (1957).
The open road to excellent English (Book 1A) .
:
Mutiara.
Chicago Style
Pasaribu, G. B., May, D.T..
The open road to excellent English (Book 1A).
:
Mutiara,
1957.
Text.
MLA Style
Pasaribu, G. B., May, D.T..
The open road to excellent English (Book 1A).
:
Mutiara,
1957.
Text.
Turabian Style
Pasaribu, G. B., May, D.T..
The open road to excellent English (Book 1A).
:
Mutiara,
1957.
Print.