APA Style

SANTOSO, S. (1999). SPSS (Statistical Product and Service Selections): mengolah data statistik secara profesional . : PT. Elex Media Komputindo.

MLA Style

SANTOSO, Singgih. "SPSS (Statistical Product and Service Selections): mengolah data statistik secara profesional". : PT. Elex Media Komputindo, 1999. Electronic resources.