APA (7. basım) Alıntı

DRUCKER PETER F. (1980). MANAGING IN TRUBULENT TIMES. PAN BOOKS LTD.

Chicago Style (17. basım) Atıf

DRUCKER PETER F. MANAGING IN TRUBULENT TIMES. GREAT BRITAIN: PAN BOOKS LTD, 1980.

MLA (9th ed.) Atıf

DRUCKER PETER F. MANAGING IN TRUBULENT TIMES. PAN BOOKS LTD, 1980.