Gaya APA
A Letter to Albert Einstein The Dawn and The Eve. (1989).
Bogor:
Koperasi Humanika.
Gaya Chicago
A Letter to Albert Einstein The Dawn and The Eve.
.
Bogor:
Koperasi Humanika,
1989.
.
Gaya MLA
A Letter to Albert Einstein The Dawn and The Eve.
.
Bogor:
Koperasi Humanika,
1989.
.
Gaya Turabian
A Letter to Albert Einstein The Dawn and The Eve.
Bogor:
Koperasi Humanika,
1989.
.