Waller, T. G., & Murray, F. B. (1977). Think first, read later!: Piagetian prerequisites for reading. IRA.
Cita Chicago Style (17a ed.)Waller, T. Gary, y Frank B. Murray. Think First, Read Later!: Piagetian Prerequisites for Reading. Newark: IRA, 1977.
Cita MLA (9a ed.)Waller, T. Gary, y Frank B. Murray. Think First, Read Later!: Piagetian Prerequisites for Reading. IRA, 1977.
Precaución: Estas citas no son 100% exactas.