Gaya APA
Habibie, B, J.
(1999).
Rhapsody Light Speed Time and Sapce
.
Jakata:
CV.Indonesia Printer.
Gaya MLA
Habibie, Bacharuddin, Jusuf.
"Rhapsody Light Speed Time and Sapce".
Jakata:
CV.Indonesia Printer,
1999.
Text.