APA-viite (7. p.)

Barraclough, S. National food policies in developing countries: Research needs and priorities. s.e.

Chicago-viite (17. p.)

Barraclough, Solon. National Food Policies in Developing Countries: Research Needs and Priorities. s.l.: s.e.

MLA-viite (9. p.)

Barraclough, Solon. National Food Policies in Developing Countries: Research Needs and Priorities. s.e.