Gaya APA
Pitfield, R.R.. (1982).
Mastering commerce .
Hongkong:
The Macmillan Press.
Gaya Chicago
Pitfield, R.R..
Mastering commerce.
Hongkong:
The Macmillan Press,
1982.
Text.
Gaya MLA
Pitfield, R.R..
Mastering commerce.
Hongkong:
The Macmillan Press,
1982.
Text.
Gaya Turabian
Pitfield, R.R..
Mastering commerce.
Hongkong:
The Macmillan Press,
1982.
Print.