Bold, H. C., & La Claire, J. W. (1987). The plant kingdom (5th ed.). Prentice-Hall.
Chicago Style aipamenaBold, Harold Charles, and John W. La Claire. The Plant Kingdom. 5th ed. Englewood Cliffs, N.J: Prentice-Hall, 1987.
MLA aipamenaBold, Harold Charles, and John W. La Claire. The Plant Kingdom. 5th ed. Prentice-Hall, 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.