APA aipamena

Songco, E. A. (2002). Teaching strategies in the social sciences for elementary grades (Rev. ed.). Katha Pub.

Chicago Style aipamena

Songco, Evelyn A. Teaching Strategies in the Social Sciences for Elementary Grades. Rev. ed. Quezon City: Katha Pub, 2002.

MLA aipamena

Songco, Evelyn A. Teaching Strategies in the Social Sciences for Elementary Grades. Rev. ed. Katha Pub, 2002.