Gaya APA
The Book of Popular Science Vol.4. (1973).
Philippines:
Grolier Interational Inc.
Gaya Chicago
The Book of Popular Science Vol.4.
Volume 9.
Philippines:
Grolier Interational Inc,
1973.
Text.
Gaya MLA
The Book of Popular Science Vol.4.
Volume 9.
Philippines:
Grolier Interational Inc,
1973.
Text.
Gaya Turabian
The Book of Popular Science Vol.4.
Philippines:
Grolier Interational Inc,
1973.
Print.