J. P. ยท J. Pikunas
| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Human development, an emergent science | Hardcover | 978-0-07-050015-0 (0-07-050015-0) | 1976 |
| Human development, an emergent science | 978-0-07-050026-6 (0-07-050026-6) | 1976 | |
| Human Development, an Emergent Science | Paperback | 978-0-07-085574-8 (0-07-085574-9) | 1976 |