Cita APA (7a ed.)

Challis, J. (1969). Annotated bibliography of economic and social material in Singapore and West Malaysia: Non-government publications. Economic Research Centre, University of Singapore.

Cita Chicago Style (17a ed.)

Challis, Joyce. Annotated Bibliography of Economic and Social Material in Singapore and West Malaysia: Non-government Publications. [Singapore]: Economic Research Centre, University of Singapore, 1969.

Cita MLA (8a ed.)

Challis, Joyce. Annotated Bibliography of Economic and Social Material in Singapore and West Malaysia: Non-government Publications. Economic Research Centre, University of Singapore, 1969.