Gaya APA
Kroll, Una. (1985).
The Spiritual Exercise Book .
London:
Waterstone & Co. Limited.
Gaya Chicago
Kroll, Una.
The Spiritual Exercise Book.
London:
Waterstone & Co. Limited,
1985.
Text.
Gaya MLA
Kroll, Una.
The Spiritual Exercise Book.
London:
Waterstone & Co. Limited,
1985.
Text.
Gaya Turabian
Kroll, Una.
The Spiritual Exercise Book.
London:
Waterstone & Co. Limited,
1985.
Print.