Gaya APA
Wahyudin, . (2006).
Sets science, environment, technology & society 3 bumi dan ruang angkasa .
Jakarta:
Armandelta Selaras.
Gaya MLA
Wahyudin, .
"Sets science, environment, technology & society 3 bumi dan ruang angkasa".
Jakarta:
Armandelta Selaras,
2006.
Text.