Gaya APA
Leon, Manuel van de. (1988).
Gems Of Life .
Manila:
Marist School.
Gaya Chicago
Leon, Manuel van de.
Gems Of Life.
Manila:
Marist School,
1988.
Text.
Gaya MLA
Leon, Manuel van de.
Gems Of Life.
Manila:
Marist School,
1988.
Text.
Gaya Turabian
Leon, Manuel van de.
Gems Of Life.
Manila:
Marist School,
1988.
Print.