Vandermerwe, S. (1993). From tin soldiers to Russian dolls: Creating added value through services. Oxford: Butterworth - Heinemann.
Chicago Style aipamenaVandermerwe, Sandra. From Tin Soldiers to Russian Dolls: Creating Added Value Through Services. Oxford: Butterworth - Heinemann, 1993.
MLA aipamenaVandermerwe, Sandra. From Tin Soldiers to Russian Dolls: Creating Added Value Through Services. Oxford: Butterworth - Heinemann, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.