Gaya APA
CANFIELD, Jack. (2020).
The success principles workbook .
London:
Thorsons.
Gaya Chicago
CANFIELD, Jack.
The success principles workbook.
London:
Thorsons,
2020.
Text.
Gaya MLA
CANFIELD, Jack.
The success principles workbook.
London:
Thorsons,
2020.
Text.
Gaya Turabian
CANFIELD, Jack.
The success principles workbook.
London:
Thorsons,
2020.
Print.