APA Style
Zulueta, F, M., Liwag, D, B. (2001).
Social problems and issues in the Philippines .
Navotas, Metro Manila:
National Bookstore.
MLA Style
Zulueta, Francisco, M.., Liwag, Dolores, B..
"Social problems and issues in the Philippines".
Navotas, Metro Manila:
National Bookstore,
2001.
Text.