Gaya APA
Eckersley, C.E. (1975).
Essential English For Foreign Students Book 4 .
:
Longman.
Gaya Chicago
Eckersley, C.E.
Essential English For Foreign Students Book 4.
:
Longman,
1975.
Text.
Gaya MLA
Eckersley, C.E.
Essential English For Foreign Students Book 4.
:
Longman,
1975.
Text.
Gaya Turabian
Eckersley, C.E.
Essential English For Foreign Students Book 4.
:
Longman,
1975.
Print.