Gaya APA
Burchardt, Titus. (2001).
Astrologi Spiritual .
Surabaya:
Risalah Gusti.
Gaya Chicago
Burchardt, Titus.
Astrologi Spiritual.
Surabaya:
Risalah Gusti,
2001.
Art Original.
Gaya MLA
Burchardt, Titus.
Astrologi Spiritual.
Surabaya:
Risalah Gusti,
2001.
Art Original.
Gaya Turabian
Burchardt, Titus.
Astrologi Spiritual.
Surabaya:
Risalah Gusti,
2001.
Art Original.