APA-referens

Bernd Schubert. (1991). A logical framework for planning agricultural research programs. Philippines: IRRI.

Chicago-stil citat

Bernd Schubert. A Logical Framework for Planning Agricultural Research Programs. Philippines: IRRI, 1991.

MLA-referens

Bernd Schubert. A Logical Framework for Planning Agricultural Research Programs. Philippines: IRRI, 1991.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.