APA aipamena

HORNER, P. (1988). Earthworks P.c. Horner. Thomas Telford.

Chicago Style aipamena

HORNER, P.C. Earthworks P.c. Horner. Thomas Telford, 1988.

MLA aipamena

HORNER, P.C. Earthworks P.c. Horner. Thomas Telford, 1988.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.