Gaya APA
Costa, Ken. (2007).
God At Work: Living Every Day With Purpose .
London:
Continuum.
Gaya Chicago
Costa, Ken.
God At Work: Living Every Day With Purpose.
London:
Continuum,
2007.
Text.
Gaya MLA
Costa, Ken.
God At Work: Living Every Day With Purpose.
London:
Continuum,
2007.
Text.
Gaya Turabian
Costa, Ken.
God At Work: Living Every Day With Purpose.
London:
Continuum,
2007.
Print.