Gaya APA

Alma, B., Harlasgunawan, M. (1980). Hakekat Studi Sosial (the Nature of Social Studies) . Bandung: Alfabeta.

Gaya MLA

Alma, Buchari., Harlasgunawan, M.. "Hakekat Studi Sosial (the Nature of Social Studies)". Bandung: Alfabeta, 1980. Text.