Gaya APA
Winkler, John. (1972).
Winkler on Marketing Planning .
London:
Associated Business Programmers.
Gaya Chicago
Winkler, John.
Winkler on Marketing Planning.
London:
Associated Business Programmers,
1972.
Buku Teks.
Gaya MLA
Winkler, John.
Winkler on Marketing Planning.
London:
Associated Business Programmers,
1972.
Buku Teks.
Gaya Turabian
Winkler, John.
Winkler on Marketing Planning.
London:
Associated Business Programmers,
1972.
Buku Teks.