Cita APA (7th ed.)

Perez, E. J. (1970). Conceptual approach in the teaching of social studies in elementary school.

Cita Chicago (17th ed.)

Perez, Efigenia J. Conceptual Approach in the Teaching of Social Studies in Elementary School. 1970.

Cita MLA (9th ed.)

Perez, Efigenia J. Conceptual Approach in the Teaching of Social Studies in Elementary School. 1970.