tie four 8 note to 4 chord

[MING TSANG]

I try to transcribe the above image.

Question: is this  normal / standard score?

The below code is my attempt: 

%code

  \key a\major

  \clef bass

  \time 3/4 

  d8~ f~ gs~ b~ <d f gs b>4 |

}

%end

The result and log:

Thanks,

Ming