Zunin, L. M., & Zunin, H. S. (1991). The art of condolence: What to write, what to say, what to do at a time of loss. Harper Perinnial.
Citazione stile Chigago Style (17a edizione)Zunin, Leonard M., e Hilary Stanton Zunin. The Art of Condolence: What to Write, What to Say, What to Do at a Time of Loss. New York, NY: Harper Perinnial, 1991.
Citatione MLA (9a ed.)Zunin, Leonard M., e Hilary Stanton Zunin. The Art of Condolence: What to Write, What to Say, What to Do at a Time of Loss. Harper Perinnial, 1991.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.