Adams, P. D. (1981). Weed Look.
Chicago Style (17th ed.) ZitazioaAdams, Peter D. Weed Look. London, 1981.
MLA (9th ed.) ZitazioaAdams, Peter D. Weed Look. 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Adams, P. D. (1981). Weed Look.
Chicago Style (17th ed.) ZitazioaAdams, Peter D. Weed Look. London, 1981.
MLA (9th ed.) ZitazioaAdams, Peter D. Weed Look. 1981.