Gaya APA
Alexander, L. G. (1975).
Practice and Progress .
YOGYAKARTA:
Longman Group.
Gaya Chicago
Alexander, L. G.
Practice and Progress.
YOGYAKARTA:
Longman Group,
1975.
Text.
Gaya MLA
Alexander, L. G.
Practice and Progress.
YOGYAKARTA:
Longman Group,
1975.
Text.
Gaya Turabian
Alexander, L. G.
Practice and Progress.
YOGYAKARTA:
Longman Group,
1975.
Print.