Gaya APA
English Conversation & Writing. (s.a).
s.l:
Interlingua.
Gaya Chicago
English Conversation & Writing.
.
s.l:
Interlingua,
s.a.
Text.
Gaya MLA
English Conversation & Writing.
.
s.l:
Interlingua,
s.a.
Text.
Gaya Turabian
English Conversation & Writing.
s.l:
Interlingua,
s.a.
Print.