P. H. · Pietras Henryk · Pietrzkowski Henryk · Pietrzykowski Henryk
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Language Life in Japan | 978-0-415-85512-9 (0-415-85512-8) | 2013 | Christian Galan |
| Routledge Handbook of Japanese Sociolinguistics | 978-0-415-79027-7 (0-415-79027-1) | 2019 | Yumiko Ohara |