APA Style

Ph.D, P, Y, S. (s.a.). Seri Olimpiade Sains IPA Terpadu SMP/MTs :Ekologi . Jakarta: PT. Kandel.

MLA Style

Ph.D, Prof., Yohanes, Surya,. "Seri Olimpiade Sains IPA Terpadu SMP/MTs :Ekologi". Jakarta: PT. Kandel, s.a.. Book.