Gaya APA
Richarson, John E.. (2000).
Annual Editions Marketing (Ed. XXI).
Singapore:
McGraw.
Gaya Chicago
Richarson, John E..
Annual Editions Marketing.
Ed. XXI
Singapore:
McGraw,
2000.
Buku Teks Bisnis Digital.
Gaya MLA
Richarson, John E..
Annual Editions Marketing.
Ed. XXI
Singapore:
McGraw,
2000.
Buku Teks Bisnis Digital.
Gaya Turabian
Richarson, John E..
Annual Editions Marketing.
Ed. XXI
Singapore:
McGraw,
2000.
Buku Teks Bisnis Digital.