ERIHPLUS – European Reference Index for Humanities and Social Sciences
CEEOL– Central and Easterns European Online Library
EBSCO
Google Scholar
https://scholar.google.com/citations?user=68lblAMAAAAJ&hl=en
MLA-Modern Language Association
Index Copernicus
http://journals.indexcopernicus.com/karta.php?id=5648
DOAJ
IBZ Online – De Gruyter
https://www.degruyter.com/staticfiles/content/dbsup/IBZ_01_Quellenliste.pdf
BASE-Bielefeld Academic Search Engine
MIAR (Information Matrix for the Analysis of Journals) : http://miar.ub.edu/issn/1584-143X
Scipio
http://scipio.ro/web/studii-de-gramatica-contrastiva
ISSN International Standard Serial Number International Centre
https://portal.issn.org/api/search?
Ulrich’s
Academic Journal Database
http://journaldatabase.org/journal/issn1584-143X
Open Access Journals Search Engine (OAJSE)