Gaya APA
Helder, Chris. (2016).
Useful Belief: Because it's Better Than Positive Thinking .
Melbourne:
John Wiley & Sons, Inc..
Gaya Chicago
Helder, Chris.
Useful Belief: Because it's Better Than Positive Thinking.
Melbourne:
John Wiley & Sons, Inc.,
2016.
.
Gaya MLA
Helder, Chris.
Useful Belief: Because it's Better Than Positive Thinking.
Melbourne:
John Wiley & Sons, Inc.,
2016.
.
Gaya Turabian
Helder, Chris.
Useful Belief: Because it's Better Than Positive Thinking.
Melbourne:
John Wiley & Sons, Inc.,
2016.
.