Παραπομπή σε μορφή APA (7η εκδ.)

Hofmann, K. H., & Keimel, K. (1972). A general character theory for partially ordered sets and lattices. American Mathematical Society.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hofmann, Karl Heinrich, και Klaus Keimel. A General Character Theory for Partially Ordered Sets and Lattices. Providence, R.I.: American Mathematical Society, 1972.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hofmann, Karl Heinrich, και Klaus Keimel. A General Character Theory for Partially Ordered Sets and Lattices. American Mathematical Society, 1972.