APA-viite (7. p.)

Challenge Program on Water and Food & Consultative Group on International Agricultural Research. (2002). Challenge programs on water and food: Background papers to the full proposal. CGIAR.

Chicago-viite (17. p.)

Challenge Program on Water and Food ja Consultative Group on International Agricultural Research. Challenge Programs on Water and Food: Background Papers to the Full Proposal. Colombo: CGIAR, 2002.

MLA-viite (9. p.)

Challenge Program on Water and Food ja Consultative Group on International Agricultural Research. Challenge Programs on Water and Food: Background Papers to the Full Proposal. CGIAR, 2002.