APA
Flor A., . (2004). Environmental Communication. Quezon City, Philippines: University of the Philippines Open University.
Chicago
Flor Alexander, . 2004. Environmental Communication. Quezon City, Philippines: University of the Philippines Open University.
Harvard
Flor A., . (2004). Environmental Communication. Quezon City, Philippines: University of the Philippines Open University.
MLA
Flor Alexander, . Environmental Communication. Quezon City, Philippines: University of the Philippines Open University. 2004.