Gaya APA
Didimus, M., I., Suyono, B., R. (2012).
Program cerdas kuasai 16 tenses .
Tangerang Selatan:
Scientific Press.
Gaya MLA
Manulang, I., Didimus., Bakir, R., Suyono.
"Program cerdas kuasai 16 tenses".
Tangerang Selatan:
Scientific Press,
2012.
Textbook.