This document is a bibliography or list of references for a paper or document on the morphological study of Staphylococcus epidermidis and Klebsiella pneumoniae bacterial colonies from blood agar plate isolates of bacteria causing subclinical mastitis in Ettawa breed goats in Turi, Sleman, Yogyakarta. It contains over 50 references used in the paper, mostly journal articles and books, published between 1950-2017, covering topics of microbiology, mastitis, isolation techniques, and bacterial identification. The references are listed in alphabetical order by author last name and provide the standard bibliographic information for each cited source.