Penggayaan APA

Burnham, P.C.. (1979). Social and Ecological Systems (1). England: University of Kent at Canterbury.

Chicago Style

Burnham, P.C.. Social and Ecological Systems. 1 England: University of Kent at Canterbury, 1979. Teksbook.

MLA Style

Burnham, P.C.. Social and Ecological Systems. 1 England: University of Kent at Canterbury, 1979. Teksbook.

Turabian Style

Burnham, P.C.. Social and Ecological Systems. 1 England: University of Kent at Canterbury, 1979. Teksbook.