Gaya APA
Nation, I.S.P, Soekardi, M.J.U.. (1988).
English vocabulary test .
Yogyakarta:
Kanisius.
Gaya Chicago
Nation, I.S.P, Soekardi, M.J.U..
English vocabulary test.
Yogyakarta:
Kanisius,
1988.
Text.
Gaya MLA
Nation, I.S.P, Soekardi, M.J.U..
English vocabulary test.
Yogyakarta:
Kanisius,
1988.
Text.
Gaya Turabian
Nation, I.S.P, Soekardi, M.J.U..
English vocabulary test.
Yogyakarta:
Kanisius,
1988.
Print.