APA-ийн эшлэл(7 дахь хэвлэлт)

Castle, J., & Hendry, D. (2012). Forecasting by factors, by variables, or both? University of Oxford.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Castle, J., ба D. Hendry. Forecasting by Factors, by Variables, or Both? University of Oxford, 2012.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Castle, J., ба D. Hendry. Forecasting by Factors, by Variables, or Both? University of Oxford, 2012.