Παραπομπή σε μορφή APA (7η εκδ.)

Sisam, J. (1947). The use of aerial survey in forestry and agriculture (6th.). Imperial forestry bureau and pastures and field crops.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Sisam, J.W.B. The Use of Aerial Survey in Forestry and Agriculture. 6th. Aberystwyth: Imperial forestry bureau and pastures and field crops, 1947.

Παραπομπή σε μορφή MLA (9th εκδ.)

Sisam, J.W.B. The Use of Aerial Survey in Forestry and Agriculture. 6th. Imperial forestry bureau and pastures and field crops, 1947.