Parr, P. (~ 1968). The investigation of some "inaccessible" rock-cut chambers at Petra [Book]. Palestine Exploration Quarterly, 100 (1968) 5-15, 100 (1968) 5-15.
Chicago Manual of Style 17th edition (author-date)Parr, Peter. 1968. "The investigation of some ’inaccessible’ rock-cut chambers at Petra". Book. Palestine Exploration Quarterly, מס’ 100 (1968) 5-15: 100 (1968) 5-15.
Springer - Basic (author-date)Parr P (1968) The investigation of some "inaccessible" rock-cut chambers at Petra. Palestine Exploration Quarterly 100 (1968) 5-15
Springer - Lecture Notes in Computer Science1.Parr, P.: The investigation of some "inaccessible" rock-cut chambers at Petra. Palestine Exploration Quarterly. 100 (1968) 5-15 (1968).
DIN 1505-2 (author-date, Deutsch) - standard superseded by ISO-690Parr, Peter: The investigation of some "inaccessible" rock-cut chambers at Petra. בתוך: Palestine Exploration Quarterly (1968), Nr. 100 (1968) 5-15, ’עמ 100 (1968) 5-15