APA

Drucker P. F., .Managing the non-profit organization, practices and principles. Estados Unidos de América: Harper Business.

Chicago

Drucker Peter F, .Managing the non-profit organization, practices and principles. Estados Unidos de América: Harper Business.

Harvard

Drucker P. F., .Managing the non-profit organization, practices and principles. Estados Unidos de América: Harper Business.

MLA

Drucker Peter F, .Estados Unidos de América: Harper Business. .