Philippine Women's University. Division of Science and Technology & Manalo, J. A. (1980). Energy education resources directory. [s.n.].
Chicago-referens (17:e uppl.)Philippine Women's University. Division of Science and Technology och Juanita A. Manalo. Energy Education Resources Directory. Manila: [s.n.], 1980.
MLA-referens (9:e uppl.)Philippine Women's University. Division of Science and Technology och Juanita A. Manalo. Energy Education Resources Directory. [s.n.], 1980.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.