Burstall, R. (1971). Programming in POP-2. Edinburgh University press.
Cita Chicago Style (17a ed.)Burstall, R.M. Programming in POP-2. Edinburgh: Edinburgh University press, 1971.
Cita MLA (9a ed.)Burstall, R.M. Programming in POP-2. Edinburgh University press, 1971.
Precaución: Estas citas no son 100% exactas.