Παραπομπή σε μορφή APA (7η εκδ.)

Singapore. Dept. of Statistics. (1974). Memorandum on unit value and volume indices of Singapore external trade: Base year 1972=100. The Dept..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Singapore. Dept. of Statistics. Memorandum on Unit Value and Volume Indices of Singapore External Trade: Base Year 1972=100. Singapore: The Dept., 1974.

Παραπομπή σε μορφή MLA (8th εκδ.)

Singapore. Dept. of Statistics. Memorandum on Unit Value and Volume Indices of Singapore External Trade: Base Year 1972=100. The Dept., 1974.