APA (7th ed.) Citation

Fernandez, H. Y. (1974). Selected economic geography concepts for the elementary school. s.n.].

Chicago Style (17th ed.) Citation

Fernandez, Helen Yulo. Selected Economic Geography Concepts for the Elementary School. [Quezon City: s.n.], 1974.

MLA (9th ed.) Citation

Fernandez, Helen Yulo. Selected Economic Geography Concepts for the Elementary School. s.n.], 1974.

Warning: These citations may not always be 100% accurate.