Gaya APA
Williamsson, G.I.. (1993).
Heidelberg Catechism, The : A Study Guide .
Phillipsburg, New Jersey, USA:
P & R Publishing.
Gaya Chicago
Williamsson, G.I..
Heidelberg Catechism, The : A Study Guide.
Phillipsburg, New Jersey, USA:
P & R Publishing,
1993.
Academic.
Gaya MLA
Williamsson, G.I..
Heidelberg Catechism, The : A Study Guide.
Phillipsburg, New Jersey, USA:
P & R Publishing,
1993.
Academic.
Gaya Turabian
Williamsson, G.I..
Heidelberg Catechism, The : A Study Guide.
Phillipsburg, New Jersey, USA:
P & R Publishing,
1993.
Academic.