Gaya APA
Eckersley, C.E. (1978).
Essential English For Foreign Students Book 1 .
:
Longman.
Gaya Chicago
Eckersley, C.E.
Essential English For Foreign Students Book 1.
:
Longman,
1978.
Text.
Gaya MLA
Eckersley, C.E.
Essential English For Foreign Students Book 1.
:
Longman,
1978.
Text.
Gaya Turabian
Eckersley, C.E.
Essential English For Foreign Students Book 1.
:
Longman,
1978.
Print.