APA

Montag U., . (1992). Will the chain break? differential pricing. London: K.G. Saur.

Chicago

Montag Ulrich, . 1992. Will the chain break? differential pricing. London: K.G. Saur.

Harvard

Montag U., . (1992). Will the chain break? differential pricing. London: K.G. Saur.

MLA

Montag Ulrich, . Will the chain break? differential pricing. London: K.G. Saur. 1992.