Gaya APA

SILVER SHADES OF GREY: MEMOS FOR SUCCESSFUL AGEING IN THE 21ST CENTURY. (1905). : Remaja Rosdakarya.

Gaya MLA

SILVER SHADES OF GREY: MEMOS FOR SUCCESSFUL AGEING IN THE 21ST CENTURY. . : Remaja Rosdakarya, 1905. Hukum Keluarga Islam (Ahwal Syakhshiyyah).