Gaya APA
Vandermerwe, S., Lovelock, C. (1994).
COMPETING THROUGH SERVICES : Strategy and Implementation .
USA:
PRENTICE HALL.
Gaya MLA
Vandermerwe, Sandra., Lovelock, Crhistopher.
"COMPETING THROUGH SERVICES : Strategy and Implementation".
USA:
PRENTICE HALL,
1994.
Text.