APA aipamena

Delap, D. J. (1968). Civil service manual. [U.S.A]: North Central Press.

Chicago Style aipamena

Delap, Donald J. Civil Service Manual. [U.S.A]: North Central Press, 1968.

MLA aipamena

Delap, Donald J. Civil Service Manual. [U.S.A]: North Central Press, 1968.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.