Gaya APA

LOVELOCK, CHRISTOPHER H. (1994). Product plus : how product service: competitive advantage . New York: McGraw Hill.

Gaya Chicago

LOVELOCK, CHRISTOPHER H. Product plus : how product service: competitive advantage. New York: McGraw Hill, 1994. Buku.

Gaya MLA

LOVELOCK, CHRISTOPHER H. Product plus : how product service: competitive advantage. New York: McGraw Hill, 1994. Buku.

Gaya Turabian

LOVELOCK, CHRISTOPHER H. Product plus : how product service: competitive advantage. New York: McGraw Hill, 1994. Buku.