Which book out of the following has been written by Mr. Zulifqar Ali Bhutto?

مندرجہ ذیل میں سے کون سی کتاب جناب ذوالفقار علی بھٹو نے لکھی ہے؟

What was once East Pakistan

The Great Tragedy

Betrayal of East Pakistan

Witness to Surrender

The Great Tragedy is written by Z.A Bhutto

This book was Published in 1971

Additional information:

Zulfikar Ali Bhutto was the former PM and President of Pakistan

And founder of the Pakistan People's Party.