Παραπομπή σε μορφή APA (7η εκδ.)

(1978). Detecting suboutbreak populations of the Douglas-fir tussock moth by sequential sampling of early larvae in the lower tree crown / Richard R. Mason.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Detecting Suboutbreak Populations of the Douglas-fir Tussock Moth by Sequential Sampling of Early Larvae in the Lower Tree Crown / Richard R. Mason. 1978.

Παραπομπή σε μορφή MLA (9th εκδ.)

Detecting Suboutbreak Populations of the Douglas-fir Tussock Moth by Sequential Sampling of Early Larvae in the Lower Tree Crown / Richard R. Mason. 1978.