Gaya APA

Limited, T, E, T. (2014). Learning Math with Albert: Petunjuk bagi Orangtua . [s.l.]: PT Tigaraksa Satria, Tbk..

Gaya MLA

Limited, Tim, Educational, Technologies. "Learning Math with Albert: Petunjuk bagi Orangtua". [s.l.]: PT Tigaraksa Satria, Tbk., 2014. Text.