Não informado. (1971). Science and government report. Science and Government Reports.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Science and Government Report. Washington: Science and Government Reports, 1971.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Science and Government Report. Science and Government Reports, 1971.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.