Παραπομπή APA

Macan, T. T. (1970). Biological studues of the english lakes. Longman.

Παραπομπή Chicago Style

Macan, T T. Biological Studues of the English Lakes. London: Longman, 1970.

Παραπομπή MLA

Macan, T T. Biological Studues of the English Lakes. Longman, 1970.