Παραπομπή σε μορφή APA (7η εκδ.)

Boulding, R. (1994). Description and sampling of contaminated soils: A field guide (2nd ed.). Lewis Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Boulding, Russell. Description and Sampling of Contaminated Soils: A Field Guide. 2nd ed. Boca Raton: Lewis Publishers, 1994.

Παραπομπή σε μορφή MLA (9th εκδ.)

Boulding, Russell. Description and Sampling of Contaminated Soils: A Field Guide. 2nd ed. Lewis Publishers, 1994.