Jeffers, A. (1998). Safe as houses: Alex Jeffers (5. Auflage.). GMP.
Cita Chicago Style (17a ed.)Jeffers, Alex. Safe as Houses: Alex Jeffers. 5. Auflage. Swaffham: GMP, 1998.
Cita MLA (8a ed.)Jeffers, Alex. Safe as Houses: Alex Jeffers. 5. Auflage. GMP, 1998.
Precaución: Estas citas no son 100% exactas.