APA (7th ed.) Citation

Coyle, S. F., & Chay, A. (2023). Handling Hardcore Customers: And Patients, Debtors, Clients, Guests, Passengers, Subscribers or really anyone! (First edition.). ServiceWinners International Sdn. Bhd.

Chicago Style (17th ed.) Citation

Coyle, Steven F., and Augustine Chay. Handling Hardcore Customers: And Patients, Debtors, Clients, Guests, Passengers, Subscribers or Really Anyone! First edition. Puchong, Selangor: ServiceWinners International Sdn. Bhd, 2023.

MLA (9th ed.) Citation

Coyle, Steven F., and Augustine Chay. Handling Hardcore Customers: And Patients, Debtors, Clients, Guests, Passengers, Subscribers or Really Anyone! First edition. ServiceWinners International Sdn. Bhd, 2023.