Jeffers, A. (1998). Safe as houses: Alex Jeffers (5. Auflage.). GMP.
Čikaški stil citiranja (17. izdanje)Jeffers, Alex. Safe as Houses: Alex Jeffers. 5. Auflage. Swaffham: GMP, 1998.
MLA način citiranja (8. izdanje)Jeffers, Alex. Safe as Houses: Alex Jeffers. 5. Auflage. GMP, 1998.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.