Gaya APA
John, Fenton. (1984).
How To sell against Competition .
London:
WILLIAM HEINEMANN.
Gaya Chicago
John, Fenton.
How To sell against Competition.
London:
WILLIAM HEINEMANN,
1984.
Buku Teks.
Gaya MLA
John, Fenton.
How To sell against Competition.
London:
WILLIAM HEINEMANN,
1984.
Buku Teks.
Gaya Turabian
John, Fenton.
How To sell against Competition.
London:
WILLIAM HEINEMANN,
1984.
Buku Teks.