Grundy, Cathy, Pemberton, Lyn; Morris, Richard . (). Contemporary... : Playing the park : observation and co-design methods appropriate to creating location based games for children, ( Ket. lihat bab. ) ( halaman 159-167 ). : New York: CRC Press, 2014

Grundy, Cathy, Pemberton, Lyn; Morris, Richard . Contemporary... : Playing the park : observation and co-design methods appropriate to creating location based games for children, ( Ket. lihat bab. ) ( halaman 159-167 ). : New York: CRC Press, 2014,

Grundy, Cathy, Pemberton, Lyn; Morris, Richard . . Contemporary... : Playing the park : observation and co-design methods appropriate to creating location based games for children, ( Ket. lihat bab. ) ( halaman 159-167 ). New York: CRC Press, 2014,