Gaya APA

Ismail, A, B, A, A, M, B., Martoraharjo, . (2009). Ayo Belajar Geometri . Surabaya: JP Books.

Gaya MLA

Ismail, Al, Bukhori,, Abu, Abdillah, Muhammad, Bin., Martoraharjo, . "Ayo Belajar Geometri". Surabaya: JP Books, 2009. Text.