Gaya APA

Hilsen, A, I., Olsen, D, S. (2021). The Importance and Value of Older Employees (1st ed. 2021). : Springer Singapore.

Gaya MLA

Hilsen, Anne, Inga., Olsen, Dorothy, Sutherland. "The Importance and Value of Older Employees". 1st ed. 2021 : Springer Singapore, 2021. Electronic Resource.