THIRU A D. (1990). CUSTOMS VALUATION THROUGH QUESTINNAIR 1990. CENTAX PUBLICATIONS.
Chicago (17e ed.) BronvermeldingTHIRU A D. CUSTOMS VALUATION THROUGH QUESTINNAIR 1990. NEW DELHI: CENTAX PUBLICATIONS, 1990.
MLA (9e ed.) BronvermeldingTHIRU A D. CUSTOMS VALUATION THROUGH QUESTINNAIR 1990. CENTAX PUBLICATIONS, 1990.
Let op: Deze citaties zijn niet altijd 100% accuraat.