(1968). Services for British exporters. London: H.M. Stationery Off.
Trích dẫn kiểu ChicagoServices for British Exporters. London: H.M. Stationery Off, 1968.
ציטוט MLAServices for British Exporters. London: H.M. Stationery Off, 1968.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.