Gaya APA

Chiswell, I., Hodges, W. (2007). Mathematical logic (1 st Ed.). New York: PT.ELEX MEDIA KOMPUTINDO.

Gaya MLA

Chiswell, Ian., Hodges, Wilfrid. "Mathematical logic". 1 st Ed. New York: PT.ELEX MEDIA KOMPUTINDO, 2007. Text.