Important::I want know that the PO receipt number where it will store in GL-technical question

I want know that the PO receipt number where it will store in GL-

I mean in tables where(as which attribte it will pick the po recet number)

gl_je_headers gjh

      ,gl_je_lines gjl

      ,gl_code_combinations gcc

      ,gl_je_sources_tl gjs

      ,gl_je_categories_tl gjc

      ,gl_sets_of_books gsb

      ,gl_je_batches gjb

      ,gl_consolidation con

      ,gl_consolidation_sets cs

      ,gl_cons_set_assignments csa

is some what urgent , quick response will be appreciated.