- Ryer, « Programming in HAL/S » [archive du ], NASA Technical Reports Server (NTRS), NASA, (consulté le ) : « It is impossible to give proper credit to all the people at NASA, IBM, and Intermetrics who have contributed to this book Special recognition must go to Josephine Jue, John Schwartz, and A1 MandeUn for their detailed review of several drafts of the manuscript, to Gary Singer for performing the final editing and page layout, and to Valene Censabella who typed all of the manuscripts and got the majority of the exercises through the HAL/S-360 compiler. »
- Ryer, « Programming in HAL/S » [archive du ], NASA Technical Reports Server (NTRS), NASA, (consulté le ) : « It is impossible to give proper credit to all the people at NASA, IBM, and Intermetrics who have contributed to this book Special recognition must go to Josephine Jue, John Schwartz, and A1 MandeUn for their detailed review of several drafts of the manuscript, to Gary Singer for performing the final editing and page layout, and to Valene Censabella who typed all of the manuscripts and got the majority of the exercises through the HAL/S-360 compiler. »
- Ryer, « Programming in HAL/S » [archive du ], NASA Technical Reports Server (NTRS), NASA, (consulté le ) : « It is impossible to give proper credit to all the people at NASA, IBM, and Intermetrics who have contributed to this book Special recognition must go to Josephine Jue, John Schwartz, and A1 MandeUn for their detailed review of several drafts of the manuscript, to Gary Singer for performing the final editing and page layout, and to Valene Censabella who typed all of the manuscripts and got the majority of the exercises through the HAL/S-360 compiler. »
- Ryer, « Programming in HAL/S » [archive du ], NASA Technical Reports Server (NTRS), NASA, (consulté le ) : « It is impossible to give proper credit to all the people at NASA, IBM, and Intermetrics who have contributed to this book Special recognition must go to Josephine Jue, John Schwartz, and A1 MandeUn for their detailed review of several drafts of the manuscript, to Gary Singer for performing the final editing and page layout, and to Valene Censabella who typed all of the manuscripts and got the majority of the exercises through the HAL/S-360 compiler. »
