Gaya APA
Science, T, L, S, O, E, A, P. (x - 1981).
Economica (Februari - November TH 1981).
London:
The London School of Economic and Political Science.
Gaya MLA
Science, The, London, School, Of, Economic, And, Political.
"Economica".
Februari - November TH 1981
London:
The London School of Economic and Political Science,
x - 1981.
Text.