Παραπομπή σε μορφή APA (7η εκδ.)

Kahru A, Pl̳lumaa L, & Estonian Academy Publishers. Environmental hazard of the waste streams of estonian oil shale industry , an ecotoxicological review.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Kahru A, Pl̳lumaa L, και Estonian Academy Publishers. Environmental Hazard of the Waste Streams of Estonian Oil Shale Industry , an Ecotoxicological Review.

Παραπομπή σε μορφή MLA (9th εκδ.)

Kahru A, et al. Environmental Hazard of the Waste Streams of Estonian Oil Shale Industry , an Ecotoxicological Review.