30 In order that the proper goals and results may be obtained, all missionary workers should have but "one heart and one soul" (Acts 4:32) in the actual carrying out of mission work itself. It is the bishop's role, as the ruler and center of unity in the diocesan apostolate, to promote missionary activity, to direct it and to coordinate it but always in such a way that the zeal and spontaneity of those who share in the work may be preserved and fostered. All missionaries, even exempt Religious, are subject to his power in the various works which refer to the exercise of the sacred apostolate. To improve coordination, let the bishop set up, insofar as possible, a pastoral council, in which clergy, Religious, and laity may have a part, through the medium of selected delegates. Moreover let them take care that apostolic activity be not limited to those only who have already been converted. A fair proportion of personnel and funds should be assigned to the evangelization of non - Christians.
Source: Ad Gentes (Vatican.va)