Gaya APA

Ackers, H, L., Ackers-Johnson, J. (2017). Mobile Professional Voluntarism and International Development (1st ed. 2017). : Palgrave Macmillan US.

Gaya MLA

Ackers, Helen, Louise., Ackers-Johnson, James. "Mobile Professional Voluntarism and International Development". 1st ed. 2017 : Palgrave Macmillan US, 2017. Electronic Resource.