„Második keresztes hadjárat” változatai közötti eltérés

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* {{cite book | last = Herrmann | first = Joachim | authorlink = | title = Die Slawen in Deutschland | year = 1970 | publisher = Akademie-Verlag GmbH | location = Berlin | page = 530 | ref = harv |language=Német}}

* {{cite book | last = Nicolle| first = David | authorlink =David Nicolle | title = The Second Crusade 1148: Disaster outside Damascus | year = 2009 | publisher = Osprey | location = London | isbn = 978-1-84603-354-4 |ref = harv |language=Angol}}

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