Aloyscious anyone less than a professional academic will struggle to research culture, thus at best, and as a starting point you should look at culture from a particular viewpoint.
As
RTA has expressed forcibly, culture is in everything; it is part of life. I fear that if you start researching national culture you will never end; in addition to the standard ‘national’ culture (world groupings), new cultures are forming and existing cultures changing with the advent of rapid travel, migration, and cultural ‘bleeding’ – where cultures intermix to form subcultures. For an alternative view of culture, see the paper by Braithwaite
Attitude or Latitude , there is also a book of the same title.
RTA might wish to review the text – it uses Australian culture as an example.
For organisational and professional cultures, there is no better place to start than in your own organisation; indeed start with yourself and work outwards. For background reading see the papers by Helmreich at
Publications cira 2001. For a book try ‘Culture at Work in Aviation and Medicine’, Helmreich and Merritt (1998).