Ward, M. L. (1908). A Plea for Keener Observation, More Conservatism and a Better Understanding of the Question, “Which Is the Best Alloy?”. Dent Regist.
Chicago Style aipamenaWard, Marcus L. "A Plea for Keener Observation, More Conservatism and a Better Understanding of the Question, “Which Is the Best Alloy?”." Dent Regist 1908.
MLA aipamenaWard, Marcus L. "A Plea for Keener Observation, More Conservatism and a Better Understanding of the Question, “Which Is the Best Alloy?”." Dent Regist 1908.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.