Gaya APA
Home library encyclopedia: understanding the universe. (1970).
tempaterbit:
penerbit.
Gaya Chicago
Home library encyclopedia: understanding the universe.
Edisi.
tempaterbit:
penerbit,
1970.
Text.
Gaya MLA
Home library encyclopedia: understanding the universe.
Edisi.
tempaterbit:
penerbit,
1970.
Text.
Gaya Turabian
Home library encyclopedia: understanding the universe.
tempaterbit:
penerbit,
1970.
Print.