Gaya APA
Davis, Colin W.. (1999).
21 General Paper (1).
Singapore:
Oxford University Press.
Gaya Chicago
Davis, Colin W..
21 General Paper.
1
Singapore:
Oxford University Press,
1999.
Text.
Gaya MLA
Davis, Colin W..
21 General Paper.
1
Singapore:
Oxford University Press,
1999.
Text.
Gaya Turabian
Davis, Colin W..
21 General Paper.
1
Singapore:
Oxford University Press,
1999.
Print.