Gaya APA
ALEXANDER, L.G, NOPITASARI, Sholihah. (1975).
Developing skills .
London:
Longman.
Gaya Chicago
ALEXANDER, L.G, NOPITASARI, Sholihah.
Developing skills.
London:
Longman,
1975.
Text.
Gaya MLA
ALEXANDER, L.G, NOPITASARI, Sholihah.
Developing skills.
London:
Longman,
1975.
Text.
Gaya Turabian
ALEXANDER, L.G, NOPITASARI, Sholihah.
Developing skills.
London:
Longman,
1975.
Print.