APA Style
Collier, Courtland A., Krisciunas, Kevin. ().
Astronomical centers of the world .
:
.
Chicago Style
Collier, Courtland A., Krisciunas, Kevin.
Astronomical centers of the world.
:
,
.
.
MLA Style
Collier, Courtland A., Krisciunas, Kevin.
Astronomical centers of the world.
:
,
.
.
Turabian Style
Collier, Courtland A., Krisciunas, Kevin.
Astronomical centers of the world.
:
,
.
.