Gaya APA
Another Step Ahead. (1980).
Nederland:
Wartsila NSD.
Gaya Chicago
Another Step Ahead.
.
Nederland:
Wartsila NSD,
1980.
Text.
Gaya MLA
Another Step Ahead.
.
Nederland:
Wartsila NSD,
1980.
Text.
Gaya Turabian
Another Step Ahead.
Nederland:
Wartsila NSD,
1980.
Print.