Gaya APA
Randall, Alan. (2011).
Risk and Precaution .
Inggris:
Cambridge University Press.
Gaya Chicago
Randall, Alan.
Risk and Precaution.
Inggris:
Cambridge University Press,
2011.
Text.
Gaya MLA
Randall, Alan.
Risk and Precaution.
Inggris:
Cambridge University Press,
2011.
Text.
Gaya Turabian
Randall, Alan.
Risk and Precaution.
Inggris:
Cambridge University Press,
2011.
Print.