APA
Barbetta G. P., Hwang C., Salamon L. M., Anheier H. K. & The John Hopkins University Center for Civil Society Studies. (1993). Defining the Nonprofit Sector. Baltimore (MD): The Johns Hopkins University Center for Civil Society.
Chicago
Barbetta Gian Paolo, Hwang Changsoon, Salamon Lester M, Anheier Helmut K and The John Hopkins University Center for Civil Society Studies. 1993. Defining the Nonprofit Sector. Baltimore (MD): The Johns Hopkins University Center for Civil Society.
Harvard
Barbetta G. P., Hwang C., Salamon L. M., Anheier H. K. and The John Hopkins University Center for Civil Society Studies. (1993). Defining the Nonprofit Sector. Baltimore (MD): The Johns Hopkins University Center for Civil Society.
MLA
Barbetta Gian Paolo, Hwang Changsoon, Salamon Lester M, Anheier Helmut K and The John Hopkins University Center for Civil Society Studies. Defining the Nonprofit Sector. Baltimore (MD): The Johns Hopkins University Center for Civil Society. 1993.
