Parker, L. Report on work among the Negritos of Pampanga during the period from April 15th to May 31st, 1908. s.n.
Citazione stile Chigago Style (17a edizione)Parker, Luther. Report on Work Among the Negritos of Pampanga During the Period from April 15th to May 31st, 1908. [S.l: s.n.
Citatione MLA (9a ed.)Parker, Luther. Report on Work Among the Negritos of Pampanga During the Period from April 15th to May 31st, 1908. s.n.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.