APA (7e ed.) Bronvermelding

Tennessee Valley Authority & U. S. Agency for International Development. (1969). Fertilizer production, marketing, and use ; a handbook for short courses. s.n.

Chicago (17e ed.) Bronvermelding

Tennessee Valley Authority en U. S. Agency for International Development. Fertilizer Production, Marketing, and Use ; a Handbook for Short Courses. Muscle Shoals, Ala: s.n, 1969.

MLA (9e ed.) Bronvermelding

Tennessee Valley Authority en U. S. Agency for International Development. Fertilizer Production, Marketing, and Use ; a Handbook for Short Courses. s.n, 1969.