CHRISTIE, A. Misteri tujuh lonceng. Gramedia Pustak.
Chicago Style (17th ed.) CitationCHRISTIE, Agath. Misteri Tujuh Lonceng. Gramedia Pustak.
MLA (8th ed.) CitationCHRISTIE, Agath. Misteri Tujuh Lonceng. Gramedia Pustak.
Warning: These citations may not always be 100% accurate.