Geometri

 Hardani, Wibi; Harmein, Irzam; Schmidt, Philip A.; Hademenos, George J.; Rich, Barnett;

Jakarta : Erlangga , 2004

Matematika universitas

 Simarmata, Lemeda; Schmidt, Philip A.; Hademenos, George J.; Ayres, Frank; Silaban, Chrisman;

Jakarta : Erlangga , 2006