(1973). Resources and Technical Services Division: Annual Reports, 1972/73.
Citazione stile Chigago Style (17a edizione)Resources and Technical Services Division: Annual Reports, 1972/73. 1973.
Citatione MLA (9a ed.)Resources and Technical Services Division: Annual Reports, 1972/73. 1973.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.