Παραπομπή σε μορφή APA (7η εκδ.)

Sparks, D. L. (1996). Methods of soil analysis ; editorial committee: D. L. Sparks ... [et al.]. Soil Science Society of America : American Society of Agronomy.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Sparks, D. L. Methods of Soil Analysis ; Editorial Committee: D. L. Sparks ... [et Al.]. Madison: Soil Science Society of America : American Society of Agronomy, 1996.

Παραπομπή σε μορφή MLA (8th εκδ.)

Sparks, D. L. Methods of Soil Analysis ; Editorial Committee: D. L. Sparks ... [et Al.]. Soil Science Society of America : American Society of Agronomy, 1996.