Becker, R. (1983). Die negative Härteklausel des § 1579 BGB. Lang.
Chicago Style (17th ed.) CitationBecker, Reinhard. Die Negative Härteklausel Des § 1579 BGB. Frankfurt am Main [u.a.]: Lang, 1983.
MLA (9th ed.) CitationBecker, Reinhard. Die Negative Härteklausel Des § 1579 BGB. Lang, 1983.
Warning: These citations may not always be 100% accurate.