Indeksy

• Picador, 1
• PK, 12
• PKO Bank Polski, 1
• PKP Polskie Linie Kolejowe, 10
• PK. Redakcja Wydawnictw], 1
• PK. WA. IPU, 1
• Planners Press, 1
• "PLJ", 1
• Plus Consulting, 1
• Plymouth University ; 1
• PO, 1
• Podkarpacki Instytut Książki i Marketingu, 1
• Podsiedlik-Raniowski i Spółka, 1
• "Polbod", 1
• "Polcen" : 1
• Polcen, 2
• POLCEN, 1
• Polish Academy of Science. Committee of Transport, 2
• Polish Academy of Sciences. Comittee for Spatial Economy and Regional Planning, 1
• Polish Academy of Sciences. Committee for Spatial Economy and Regional Planning, 2