APA

SMITH G. R., PORTER V., .The Rasulids in Dhofar in the XIIth, XIIIth, XIVth centuries. : J.R.As.S. 1988/1.

Chicago

SMITH G Rex, PORTER Venetia, .The Rasulids in Dhofar in the XIIth, XIIIth, XIVth centuries. : J.R.As.S. 1988/1.

Harvard

SMITH G. R., PORTER V., .The Rasulids in Dhofar in the XIIth, XIIIth, XIVth centuries. : J.R.As.S. 1988/1.

MLA

SMITH G Rex, PORTER Venetia, .: J.R.As.S. 1988/1. .