APA-čujuhus (7. p.)
Guenther, B. (1975). On Theories of biological similarity: With 24 fig. and 40 tabl. Thieme.
Chicago-čujuhus (17. p.)
Guenther, Bruno. On Theories of Biological Similarity: With 24 Fig. and 40 Tabl. Leipzig: Thieme, 1975.
MLA-čujuhus (9. p.)
Guenther, Bruno. On Theories of Biological Similarity: With 24 Fig. and 40 Tabl. Thieme, 1975.
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