APA
Spiller L., . (2020). Direct, Digital & Data-Driven Marketing. London: Sage Publications.
Chicago
Spiller Lisa, . 2020. Direct, Digital & Data-Driven Marketing. London: Sage Publications.
Harvard
Spiller L., . (2020). Direct, Digital & Data-Driven Marketing. London: Sage Publications.
MLA
Spiller Lisa, . Direct, Digital & Data-Driven Marketing. London: Sage Publications. 2020.