Purkis, S. (1995). A teacher's guide to using memorials. English Heritage.
Cita Chicago Style (17a ed.)Purkis, Sallie. A Teacher's Guide to Using Memorials. [S.l.]: English Heritage, 1995.
Cita MLA (8a ed.)Purkis, Sallie. A Teacher's Guide to Using Memorials. English Heritage, 1995.
Precaución: Estas citas no son 100% exactas.