Hard, M. E. (1961). mashroom: Edible and otherwise its habitat and its time of growth. Hafner Publishing.
Chicago Style aipamenaHard, M. E. Mashroom: Edible and Otherwise Its Habitat and Its Time of Growth. New York: Hafner Publishing, 1961.
MLA aipamenaHard, M. E. Mashroom: Edible and Otherwise Its Habitat and Its Time of Growth. Hafner Publishing, 1961.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.