Perez, E. J. (1970). Conceptual approach in the teaching of social studies in elementary school.
Chicago Style (17th ed.) CitationPerez, Efigenia J. Conceptual Approach in the Teaching of Social Studies in Elementary School. 1970.
MLA引文Perez, Efigenia J. Conceptual Approach in the Teaching of Social Studies in Elementary School. 1970.
警告:這些引文格式不一定是100%准確.